Why did presidents of the United States have to federalize troops during the desegregation process? Group of answer choices

Southern politicians were threatening to secede again.

The parents of black students had requested military protection.

State governors were using troops to prevent desegregation.

Southern schools were turning into war zones.

State governors were using troops to prevent desegregation. ... School segregation was unconstitutional.

Explanation:

State governors were using troops to prevent desegregation.

Explanation:

When governors used National Guard troops to keep black students away from schools, presidents federalized those troops and ordered them to protect the students instead.