The main reason the US Civil War started because the Northern and Southern colonies had different views on how slavery should be handled. So they went to war to decide.
<span>Ieyasu Tokugawa was responsible for Japan's isolation from westerners
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Cuban Missile Crisis? Maybe.
African slaves were imported to work in America because Africans were immune to some European diseases and experienced at European farming techniques.
B. Africans were immune to some European diseases and experienced at European farming techniques.
<u>Explanation:</u>
During 16th century, Spanish started to import many Africans as slaves to work in the European farm. Americans were prone to European diseases and they also demanded large pay for the work. Thus, the government decided to import slaves from Africa.
Africans were immune to European diseases and they had better experience in European farming techniques. The pay demanded by the African slaves was also less compared to indigenous laborers. So Africans were imported as slaves to work in Americans farm.
