Answer:
It was because of segregration!
Explanation:
By 1955, African Americans across the country, including in the segregated South, had begun the struggle for justice. Emmett Till's murder was a spark in the upsurge of activism and resistance that became known as the Civil Rights movement
American imperialism revolved around more than just politics and economics and national self-interest. They also included notions of humanitarianism, morality, religion, and ideas of civilization