Three powerful empires developed in west Africa. The first of these was [1].

Ghana

Explanation:

The three powerful empires that ever developed in West Africa was Ghana, Songhai, and Mali Empire.

Ghana was established in 3rd century CE, which is the first among the three empires. Songhai empire was established in the 11th Century and the Mali Empire was established in 12th Century.

Ghana empire were known for their strong influence in the Trans-Saharan Trade and control the vast majority of Slat and gold trades in that region.

its kind of blury sorry

your answer is rising unemployment and inflation.