What factors contributed to the prosperity of the kingdom of nubia?

The best answer for this question would be the following:

Trade. The region that was located near the Nile river, had encourage the kingdom of nubia to trade with other countries such as Egypt and the Mediterranean world which had linked these two together.

Explanation:

Trade. The region that was located near the Nile river, had encourage the kingdom of nubia to trade with other countries such as Egypt and the Mediterranean world which had linked these two together.

the answer is a glaciers carved a large valley that later flooded and became puget sound

abraham lincoln  (february 12, 1809  – april 15, 1865) was an american statesman, politician, and lawyer who served as the 16th  president of the united states  from 1861 until  his assassination  in april 1865. lincoln led the nation through the  american civil war, its bloodiest war and its greatest moral, constitutional, and political crisis.[2][3]  he preserved the  union,  abolished slavery, strengthened the  federal government, and modernized  the u.s. economy.