What led to the prosperity of the Ghana, Mali, and Songhai kingdoms of Africa?

When the ottoman empire weakened, europe reacted by building a canal for trade with the ottoman region. ottoman nations achieve independence. cutting off most trade with the ottoman region. trying to take more control of ottoman lands.

How do we make changes to the us constitution? a. through presidential order. b. through direct primary elections. c. through the amendment process. d. we can't!

What party formed to limit slavery in the west?