Who was responsible for initially questioning the effectiveness of affirmative action

The segments shown below could form a triangle.

At the time of the brown v. board of education decision,schools were segregated everywhere in the country.several states had laws requiring segregated schools.schools in nearly every state has been desegregated.segregation was common in the north, but not in the south.

Violence or the threat of violence carried out for political purposes is called a) glasnost b) terrorism c) perestroika d) stagflation