What were the most empires in Africa?

The most powerful of these states was the Songhai Empire,

Explanation:

which expanded rapidly beginning with king Sonni Ali in the 1460s. By 1500, it had risen to stretch from Cameroon to the Maghreb, the largest state in African history.

they believed democracy was worth the fight

answer; (d) i believe that the correct answer is americans finally ran out of ammunition;