How did the Niger River play a role in the trans-saharan trade

Select the correct answer.when alexander the great ruled his empire, he spread greek culture and increased his empire's wealth. along the way, he founded many cities, most of which he named after himself. review the following map. how did alexandria's location affect trade? a. it forced people to rely on shipping to trade with other nations. b. it brought together people from the west and east for trade. c. it led to conflicts between regions of the empire. d. it forced people to pay tribute to alexander as their leader.

Discuss the main ideas of eugenics, and explain why it is no longer a prominent belief in the united states.

What are the expressed and implied powers of the president