2,709,918 American Troops
The columbian exchange had a very negative effect on the Native Americans. The native americans received mostly disease from Europeans, but also certain plants and animals. Syphilis is one thing Europeans contracted from Native Americans.
Answer:
cities like Timbuktu and Gao into important cultural centers. He also brought architects from the Middle East and across Africa to design new buildings for his cities. Mansa Musa turned the kingdom of Mali into a sophisticated center of learning in the Islamic world.
So he could make peace through out the land.
I think that it’s A. The more gold they discovered