What was the experiment that was conducted that lead to desegregation of schools?

All i can think of is Little Rock Nine. President Dwight D. Eisenhower sent US troops to a all white school to make sure that 9 african americans can enter the school

During the paleolithic, hominins grouped together in small societies such as bands, and subsisted by gathering  plants  and fishing, hunting or scavenging wild  animals. the paleolithic is characterized by the use of knapped stone tools, although at the time humans also used  wood  and bone tools.