Monday, May 18, 2020
Kilwa Kisiwani Medieval Trade Center of Eastern Africa
Kilwa Kisiwani (also known as Kilwa or Quiloa in Portuguese) is the best known of about 35 medieval trading communities located along the Swahili Coast of Africa. Kilwa lies on an island off the coast of Tanzania and north of Madagascar, and archaeological and historical evidence shows that the Swahili Coast sites conducted an active trade between interior Africa and the Indian Ocean during the 11th through 16th centuries CE. Key Takeaways: Kilwa Kisiwani Kilwa Kisiwani was a regional center of the medieval trading civilization located along the Swahili Coast of Africa.Between the 12th and 15th centuries CE, it was a principal port of international trade in the Indian Ocean.à Kilwas permanent architecture included maritime causeways and ports, mosques, and the uniquely Swahili warehouse/meeting place/status symbol called stonehouses.à Kilwa was visited by the Arab traveler Ibn Battuta in 1331, who stayed at the sultans palace.à In its heyday, Kilwa was one of the principal ports of trade on the Indian Ocean, trading gold, ivory, iron, and slaves from interior Africa including the Mwene Mutabe societies south of the Zambezi River. Imported goods included cloth and jewelry from India, and porcelain and glass beads from China. The archaeological excavations at Kilwa recovered the most Chinese goods of any Swahili town, including a profusion of Chinese coins. The first gold coins struck south of the Sahara after the decline at Aksum were minted at Kilwa, presumably for facilitating international trade. One of them was found at the Mwene Mutabe site of Great Zimbabwe. Kilwa History The earliest substantial occupation at Kilwa Kisiwani dates to the 7th/8th centuries CE when the town was made up of rectangular wooden or wattle and daub dwellings and small iron smelting operations. Imported wares from the Mediterranean were identified among the archaeological levels dated to this period, indicating that Kilwa was already tied into the international trade at this time, albeit in a relatively small way. Evidence shows that the people living at Kilwa and the other towns were involved in some trade, localized fishing, and boat use. Historical documents such as the Kilwa Chronicle report that the city began to thrive under the founding Shirazi dynasty of sultans. Growth of Kilwa Sunken Courtyard of Husuni Kubwa, Kilwa Kisiwani. Stephanie Wynne-Jones/Jeffrey Fleisher, 2011 Kilwas growth and development around the beginning of the second millennium CE was part and parcel of the Swahili coast societies becoming a truly maritime economy. Starting in the 11th century, the residents began deep-sea fishing for sharks and tuna, and slowly widened their connection to international trade with long voyages and marine architecture for facilitating ship traffic. The earliest stone structures were built as early as 1000 CE, and soon the town covered as much as 1 square kilometer (about 247 acres). The first substantial building at Kilwa was the Great Mosque, built in the 11th century from coral quarried off the coast, and later greatly expanded. More monumental structures followed into the fourteenth century such as the Palace of Husuni Kubwa. Kilwa rose to its first importance as a major trade center about 1200 CE under the rule of the Shirazi sultan Ali ibn al-Hasan. About 1300, the Mahdali dynasty took over control of Kilwa, and a building program reached its peak in the 1320s during the reign of Al-Hassan ibn Sulaiman. Building Construction Bathing Pool at Husuni Kubwa, Kilwa Kisiwani. Stephanie Wynne-Jones/Jeffrey Fleisher, 2011 The constructions built at Kilwa beginning in the 11th century CE were masterpieces built of different types of coral mortared with lime. These buildings included stone houses, mosques, warehouses, palaces, and causewaysââ¬âmaritime architecture that facilitated docking ships. Many of these buildings still stand, a testament to their architectural soundness, including the Great Mosque (11th century), the Palace of Husuni Kubwa and the adjacent enclosure known as the Husuni Ndogo, both dated to the early 14th century. The basic block work of these buildings was made of fossil coral limestone; for more intricate work, the architects carved and shaped porites, a fine-grained coral cut from the living reef. Ground and burnt limestone, living corals, or mollusk shell were mixed with water to be used as whitewash or white pigment; and combined with sand or earth to make a mortar. The lime was burned in pits using mangrove wood until it produced calcined lumps, then it was processed into damp putty and left to ripen for six months, letting the rain and groundwater dissolve the residual salts. Lime from the pits was likely also part of the trade system: Kilwa island has an abundance of marine resources, particularly reef coral. Layout of the Town Aerial view of stone ruins at Kilwa Kisiwani, Swahili coast, Tanzania. à Paul Joynson Hicks / AWL Images / Getty Images Visitors today at Kilwa Kisiwani find that the town includes two distinct and separate areas: a cluster of tombs and monuments including the Great Mosque on the northeast part of the island, and an urban area with coral-built domestic structures, including the House of the Mosque and the House of the Portico on the northern part. Also in the urban area are several cemetery areas, and the Gereza, a fortress built by the Portuguese in 1505. Geophysical survey conducted in 2012 revealed that what appears to be an empty space between the two areas was at one time filled with lots of other structures, including domestic and monumental structures. The foundation and building stones of those monuments were likely used to enhance the monuments that are visible today. Causeways As early as the 11th century, an extensive causeway system was constructed in the Kilwa archipelago to support the shipping trade. The causeways primarily act as a warning to sailors, marking the highest crest of the reef. They were and are also used as walkways allowing fishermen, shell-gatherers, and lime-makers to safely cross the lagoon to the reef flat. The sea-bed at the reef crest harbors moray eels, cone shells, sea urchins, and sharp reef coral. The causeways lie approximately perpendicular to the shoreline and are built of uncemented reef coral, varying in length up to 650 feet (200 meters) and in width between 23ââ¬â40 ft (7ââ¬â12 m). Landward causeways taper out and end in a rounded shape; seaward ones widen into a circular platform. Mangroves commonly grow along their margins ââ¬â¹and act as a navigational aid when the high tide covers the causeways. East African vessels that made their way successfully across the reefs had shallow drafts (.6 m or 2 ft) and sewn hulls, making them more pliant and able to cross reefs, ride ashore in heavy surf, and withstand the shock of landing on the east coast sandy beaches. Kilwa and Ibn Battuta The famous Moroccan trader Ibn Battuta visited Kilwa in 1331 during the Mahdali dynasty, when he stayed at the court of al-Hasan ibn Sulaiman Abul-Mawahib (ruled 1310ââ¬â1333). It was during this period that the major architectural constructions were built, including elaborations of the Great Mosque and the construction of the palace complex of Husuni Kubwa and the market of Husuni Ndogo. Kilwa Kisiwani (Quiloa) - undated Portugueuse map, published in Civitates Orbis Terrarum in 1572. Hebrew University of Jerusalem The prosperity of the port city remained intact until the last decades of the 14th century when turmoil over the ravages of the Black Death took its toll on international trade. By the early decades of the 15th century, new stone houses and mosques were being built up in Kilwa. In 1500, Portuguese explorer Pedro Alvares Cabral visited Kilwaà and reported seeing houses made of coral stone, including the rulers 100-room palace, of Islamic Middle Eastern design. The dominance of the Swahili coastal towns over maritime trade ended with the arrival of the Portuguese, who reoriented international trade towards western Europe and the Mediterranean. Archaeological Studies at Kilwa Archaeologists became interested in Kilwa because of two 16th century histories about the site, including the Kilwa Chronicle. Excavators in the 1950s included James Kirkman and Neville Chittick, from the British Institute in Eastern Africa. more recent studies have been led by Stephanie Wynne-Jones at the University of York and Jeffrey Fleischer at Rice University. Archaeological investigations at the site began in earnest in 1955, and the site and its sister port Songo Mnara were named UNESCO World Heritage site in 1981. Sources Campbell, Gwyn. The Role of Kilwa in the Trade of the Western Indian Ocean. Connectivity in Motion: Island Hubs in the Indian Ocean World. Eds. Schnepel, Burkhard and Edward A. Alpers. Cham: Springer International Publishing, 2018. 111-34. Print.Fleisher, Jeffrey, et al. When Did the Swahili Become Maritime? American Anthropologist 117.1 (2015): 100-15. Print.Fleisher, Jeffrey, et al. Geophysical Survey at Kilwa Kisiwani, Tanzania. Journal of African Archaeology 10.2 (2012): 207-20. Print.Pollard, Edward, et al. Shipwreck Evidence from Kilwa, Tanzania. International Journal of Nautical Archaeology 45.2 (2016): 352-69. Print.Wood, Marilee. Glass Beads from Pre-European Contact Sub-Saharan Africa: Peter Franciss Work Revisited and Updated. Archaeological Research in Asia 6 (2016): 65-80. Print.Wynne-Jones, Stephanie. The Public Life of the Swahili Stonehouse, 14thââ¬â15th Centuries AD. Journal of Anthropological Archaeology 32.4 (2013): 759-73. Print.
Wednesday, May 6, 2020
What Is Value Chain Analysis What Does a Firm Gain When...
Developed by Michael Porter , Value Chain Analysis is an analytical framework that is used to analyse relationships between various parts of operations and the manner in which each part adds value to contribute to the level of revenues. Value Chain Analysis the business activities are divided into two categories: primary activities and support activities. The primary activities directly deal with the creation of products or services, whereas, support activities can be used to obtain or increase competitive edge in the marketplace. Primary activities: Inbound logistics; Operations; Outbound logistics; Marketing and sales; Service. Support activities: Infrastructure activities; Technology; Human resource management and development.â⬠¦show more contentâ⬠¦For Pacific Coffee it would be coffee beans and raw food items, as well as fixed assets such as buildings, machinery etc. Part A 2 a) Cost Leadership Strategy A firm chooses a cost leadership business strategy focuses on gaining advantages by reducing its costs to below those of all its competitors. This does not mean that this firm abandons other business or corporate strategies. Cost Leadership and Five Forces Mode Assignment 1 Lu Janet Tao S05001741 A. Cost Leadership and the Threat of Entry 1) It helps to reduce the threat of new entrants by creating cost barriers to entry 2) New entrants may have to invest heavily to reduce their costs prior to entry 3) New entrants will enter using another business strategy rather than attempting to compete on cost. B. Cost Leadership and the Threat of Rivalry The threat of rivalry is reduced through pricing strategies that low-cost firms can engage in and through their relation impact on the performance of a low-cost firm and its higher-cost rivals. C. Cost Leadership and the Threat of Substitutes High-cost firms may have to charge high prices to cover their costs, thus making substitutes more attractive , cost leaders can keep their price low and still earn normal or above-normal economic profits. D. Cost Leadership and the Threat of Powerful Suppliers 1) A cost leaderShow MoreRelatedEvaluating The Cost Structures Of A Firm And Determine The Reason For Expenses Increasing991 Words à |à 4 Pagesshifts can either work effectively or ineffectively. Managers pursue many approaches to find the most effective route to successfully implementing a strategic plan for increasing a firmââ¬â¢s financial position. 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McDonalds Struggled to grow as a result of constantly opening new stores, the acquisition of other fast-food franchises and a few discrepancies i n the McDonalds menu. (Hartley, 2014, p.75). But asRead Moreidentifying competitive advantage3121 Words à |à 13 Pagesorganization s customers place a greater value on than similar offerings from a competitor. Unfortunately, competitive advantages are typically temporary because competitors often seek ways to duplicate the competitive advantage. In turn, organizations must develop a strategy based on a new competitive advantage. When an organization is the first to market with a competitive advantage, it gains a first-mover advantage. Theà à first-mover advantageà occurs when an organization can significantly impactRead MoreCrafting and Executing Strategy Study Guide9008 Words à |à 37 PagesChapter 1 What Is Strategy and Why Is It Important? 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Medicine After Antibiotics free essay sample
A summary and discussion of causes and possible solutions of the problem of antibiotic-resistant bacteria. This paper summarizes the conditions that lead to antibiotic resistance. The author examines aspects such as over-prescription, high level of both bacteria and antibiotics in hospitals and the use of antibiotics in livestock feed that lead to a resistance. The author discusses the increasing uselessness of newer antibiotics and new strategies for preventing the spread of infectious disease. Antibiotic resistance has been building in bacterial populations for decades, but advances in medicine (i.e. new types of antibiotics) have always stayed one step ahead. Antibiotics are becoming harder and harder to develop there is a limited number of ways to recreate antibiotics, and drug companies may have come to the end of the list. Vancomycin considered the drug of last resort when all other antibiotics fail is no longer a sure cure. Vancomycin-resistant enterococci (VRE) have been reported in hospitals across the U. We will write a custom essay sample on Medicine After Antibiotics or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page S., and some of these infections are untreatable with any current antibiotic. However, vancomycin is being prescribed more and more often when other drugs fail and VRE populations are growing (Mitchell, 1998).
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