In the 1950s Social Groups were a big thing.
End of the War
In 1960, it was the end of the war and about 5 million African Americans moved into urban areas, in the United States. After the war, they thought it was a good apportunity to move into urban areas because they thought it was a new beginning for chances. As a result, Americans got upset with African Americans. On the other hand it was a change in history and a chance for other races to get along.
Before, Mexicans wre hired for crop production in 1942, another change that changed history.