________ may dry up, creating unemployment and poverty.
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Experts
________ believe that agriculture in Africa probably began by 6000 B.C.
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Scientists
________ can piece together a picture of life in West Africa as early as 500 B.C.
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Settlements
________ expanded because reliable food supplies led to longer, healthier lives and an increased birth rate.
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Kingdom of Aksum
The ________ reached its height between A.D. 325 and 360, when a strong ruler named Ezana occupied the throne.
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Aksum
________ was the only known African kingdom to have developed a written language.
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Environmental conditions
________ may change, causing famine or depleted natural resources.
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humans
The first ________ appeared in the Great Rift Valley, a deep gash in the Earths crust that runs through the floor of the Red Sea and across eastern Africa.
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port city of Adulis
What was particularly cosmopolitan? Answer with a single words or term.
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Nok artifacts
________ have been found in an area stretching for 300 miles between the Niger and Benue rivers.
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Few African societies
________ had written languages.
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oldest objects
The ________ found there dated from 250 B.C,
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Animism
________: a religion in which spirits play an important role in regulating daily life.
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Migration
________: a permanent move from one country or region to another.
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Redistribution of the population
There were effects to migration, both positive and negative: ________ may change population density.
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Evidence of Iron production
________ was dated to around 500 B.C.
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Terraces
This increased the productivity of their land. ________ helped the soil retain water and prevented its being washed downhill in heavy rains.
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Grain
To survive the dry land many moved east into the Nile Valley and south into West Africa. Some also moved to the savannas. ________ grew well in the savannas.
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Scientists
________ discovered hundreds of thousands of artifacts.
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Aksum
Eventually ________ became isolated from other Christian settlements.