Why did Eisenhower send 1,000 paratroopers to Little Rock, Arkansas, i

Why did Eisenhower send 1,000 paratroopers to Little Rock, Arkansas, in 1957?

a. to ensure that black students could attend a desegregated school
b. to quell a violent race riot resulting from the desegregation of the military
c. to investigate a planned terrorist attack from the Soviet Union
d. to protect a top secret chemical weapon on its way to Washington, DC
e. to arrest hundreds of alleged segregationist activists and supporters

ANSWER
A