The three major West African empires increased their wealth by
O
O
O
trading gold and precious jewels.
taxing all trade in their region.
restricting trade to only high-level merchants.
pooling their trade earnings into one central account.

the answer is b: the religion they practice.

here's why:

there were many different native american tribes and those with similar characteristics formed a main tribe or nation. each had its own language, religion and customs.

well it definitly does because if you are seen as weak you will be seen as unimportant and they will walk all over you and the us is the most powerful military and the largest in the world

hope this