Why did Lincoln choose political rivals for his cabinet?

A)He believed that his rivals could step in and lead the country well if he were assassinated.

B)He wanted to keep his rivals close to him in order to blame them if the war went badly.

C)He chose capable and powerful political leaders because he wanted their perspectives to help unify the Union.

D)He chose cabinet members from the South only in order to convince Southern leaders to rejoin the Union.