How did the federal government support desegregation? Check all that apply. The president passed executive orders. The courts declared integration unconstitutional. The president used the National Guard to enforce legislation. The courts ruled against segregation legislation. The legislature organized boycotts against segregation.

The president passed executive orders. The courts ruled against segregation legislation.The president used the National Guard to enforce legislation. Explanation:On July 26, 1948, U.S. Pres. Harry S. Truman issued an executive order called Executive Order 9981.  It ordered for the abolishment of racial segregation in the U.S. armed forces.In the landmark case of Brown vs Board of Education, the Supreme Court ruled against segregation legislation. It declared segregation as unconstitutional and violation of Equal rights .After the Supreme Court's decision against segregation, there were many uproars and disagreements in the Southern states. The president had to use the National Guard to enforce legislation in those states.