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
Monroe Doctrine<span>. the policy, as stated by President </span>Monroe<span> in 1823, that the U.S. opposed further European colonization of and interference with independent nations in the Western Hemisphere.</span>