TThe civil rights movement was a struggle by African Americans in the mid-1950s to late 1960s to achieve civil rights equal to those of whites, including equal opportunity in employment, housing, and education, as well as the right to vote, the right of equal access to public facilities, and the right to be free of racial discrimination. No social or political movement of the twentieth century has had as profound an effect on the legal and political institutions of the United States.
Flooding and pollution of drinking water
Spain had taken total control over the Southern half of the United States in the early 1700's. Then the Spanish government had to let it go
Answer:
I want to say your answer is ( to ban) exclusion of Chinese immigrants. But I'm really not 100% sure. I'm so sorry if its wrong