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Africa

Back to Africa: A.D. 1301 to 1400

Northeast africa

This part of the world experienced no great change from the previous century. The Solomonid Dynasty in Ethiopia was at the height of its power and Amhara colonists continued to invade southern Shoa, Gojam and the base of the Semien Mountains. The Moslems controlled all the Red Sea coast, however, and confined the Christians to the Ethiopian highlands. Even Nubia became Moslem. The Caucasoid Azanians in the northeastern interior felt the impact of migrating Bantu speakers and the arrival of Nilo Hamites with their Cushitic languages, such as Galla, influenced the region. These Nilo-Hamites appear to have been a mixture from three origins, - Nilotic Negroids of the upper Nile, Cushitic Sidama of Ethiopia and a third of origin unknown. (Ref. 83 )

The Mamluk Dynasty continued in Egypt, but with declining power and influence.

It must be recalled that this ruling group were originally warriors from the Caucasus region and this communication with Black Sea ports allowed recurrent epidemic disasters in Egypt. Disease, helped probably by oppression and bad government, resulted in depopulation and impoverishment. The last great Mamluk sultan was Qaitbay (1468-96), an avid builder, who restored some of the greatness of the old Bahri period of the 13th century, but the decline of the empire was only temporarily halted. (Ref. 140 , 5 )

North central and northwest africa

The coast still had a high cultural level and now acted as a refuge for the Moors fleeing from the persecutions in Spain. With the decline of the Moroccan Marinids and after the Portuguese seized Ceuta, opposite from Gibralter in 1415, the Hafsids gained at least titular supremacy over all of western North Africa for while. By 1478 the Wattasid Sultanate developed in the far west and the Ziyanid Emir existed between the Wattasid and the slipping Hafsids. (Ref. 137 , 83 ) By the end of the century, the Arabs had established sugar cane in the Moroccan Sousse and from there it soon spread on into the Atlantic to Madeira, the Canaries and the Azores.

Subsaharan africa

Just southwest of the Sahara it was the heyday of the Songhai, who had great mosques at Timbuktu and Jenne and were famous for their piety and scholarship. Relationships of this particular empire with Morocco were not cordial because of competition for the trans-Saharan trade and the valuable salt mine of Taghaxa in the northern desert. This Songhai Empire came into its zenith about 1464, when a warrior king, the Sonni Ali, came to the throne of Gao in the middle Niger and by his death had extended his rule over the whole western Sudan. He had cavalry, levies of foot soldiers and flotillas of war canoes, which patrolled the 1,000 miles of the navigable Niger. It was he who ended the Mali Empire of Ghana. (Ref. 83 )

In the forest area of west Africa were the Edo, who developed great bronze sculpture in the Kingdom of Benin, near the coast of Nigeria. Benin was a walled city, 25 miles around, with wide, straight streets and spacious houses of wood. In Ife, in southwest Nigeria, one of these bronze heads was definitely made by the lost wax technique. Seven Hausa city-states, including Kano, Zaria, Gobir and Katsina had become flourishing commercial centers in the Sudan. Agriculture was the basis of society, with trade routes through the Sahara. Guinea, existing out on the southwest corner of the bulge of west Africa, would, at first glance, appear to be a site early exploited by Europeans, but actually it remained isolated for a long time because European ships could not return from there directly up the west African coast. Because of the Atlantic currents and wind, they had to go straight out to the middle Atlantic before they could turn and go north again. The people of Guinea were modest farmers and fishermen, with some local trade involving salt and dried fish. Deeper inland, they had some contact with the Sudan. This small country has a rain forest, but it is not deep and is traversed by the magnificent waterway, the Niger. Near the end of the century the Portugese did arrive to establish a trading post. A little to the east, the foundations had been laid for the famous forest states of Oyo and Akan, as well as Benin, which we have described above. (Ref. 206 , 17 , 83 , 8 ) The Sudan had gold mines, ruled by village chiefs and the workers approached the condition of slavery. (Ref. 292 )

Questions & Answers

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Assimilatory nitrate reduction is a process that occurs in some microorganisms, such as bacteria and archaea, in which nitrate (NO3-) is reduced to nitrite (NO2-), and then further reduced to ammonia (NH3).
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Examples of thermophilic organisms
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Shu
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Prevent foreign microbes to the host
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they provide healthier benefits to their hosts
ayesha
They are friends to host only when Host immune system is strong and become enemies when the host immune system is weakened . very bad relationship!
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cell is the smallest unit of life
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Innocent
cell is the structural and functional unit of life
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Source:  OpenStax, A comprehensive outline of world history. OpenStax CNX. Nov 30, 2009 Download for free at http://cnx.org/content/col10595/1.3
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