Write a sentence identifying and describing how the role of one other key person led to the Civil War.

Ulysses Grant

Explanation:

The America civil war took place between 1861-1865 and it was fought by the northern United States and the southern United States. There were controversies over the enslavement of black people and that led to the civil war.

Ulysses Grant was one of the key figures during the American civil war. The Ohio native commanded the union army that emerged victorious during the conflict. When the war ended, he became a national hero and was later nominated for presidency in 1868.