Answer:
C.Slaves
Explanation:
Slaves were forced to work for the property owner or "masters".
This could either be the Northwest Ordinance, Oregon Trail, or the Louisiana Purchase...
Answer:
Islam
Explanation:
Influence of Islam on West Africa. During the 7th Century, Islam spread quickly through the Middle East and North Africa. During the 8th Century, the trans-Saharan trade brought Muslim merchants and traders to West Africa. Eventually both the kingdoms of Mali and Songhai accepted Islam.
Trade spreads ideas and culture because it involves people moving from place to place around the world as they trade. As they move, they (and the people they meet) come into contact with new ideas and cultural practices