I think it's because slavery costs less...just a guess.
Answer: In august of that year the U.S dropped the uranium bomb on the cities of hiroshima and nagasaki 126,000 civilians died . japan surrendered on august 15 1945
Explanation:
The answer is Great Depression
It's Virginia. Your welcome
First and Last answer because when the Europeans went to Africa they were looking for new resources to improve theres and use those goods within trade to other countries and as a bonus they converted many African tribes to Christianity.