What did Ghana and Mali contribute to the economic and cultural development of West Africa? PLEASE HELP AND HURRY

Caravan trade contributed MOST to the growth and power of the West African empires of Ghana and Mali. Control of gold-salt trade routes helped Ghana, Mali, and Songhai to become large and powerful West African kingdoms.

:) hope it helped

we will reach the goal of freedom in birmingham and all over the nation,

the answer should be:

their party has more members.

if i am right, give me a 5 star rating!