The correct answer is D) The federal government was willing to take aggressive action to ensure federal civil rights were followed.
The conclusion that can be drawn from these events is that the federal government was willing to take aggressive action to ensure federal civil rights were followed.
These above-mentioned events refer to a difficult time in the United States history when racial segregation problems in the South were constant. It was a time when racist politicians and governors in the southern states kept limiting the rights of the African American people.
We can see that in the case of the Little Rock High School in 1957, the Mississippi University in 1962, and Alabama University in 1963, school authorities with the support of the governor of the state, impede the access of black students to the school premises. There were aggressions and violence to the degree that the President had to send the Civil Guard and military troops to solve the issues and protect the African American students.
One year after the Alabama University incident, US President Lyndon B. Jhonson would sign the Civil Rights Act of 1964.