The main idea behind this act was to allow for O maintaining a balance of power in the Senate
O popular sovereignty or the right to choose
Oslavery to be allowed above the 36°30' line

the answer would be:

b. race

trumans defeat to eisenhower in the 1948 elections was due to trumans approach and handling of the cold war and the war in korea. trumans approach to communism during the cold war was the principle reason for his defeat. eisenhowers reputation and name as the supreme allied commander in europe during world war two and his campaign slogan that he ''would go to korea if elected'' won him the presidency.

answer should be c..