Which of the following statements shows the impact of the Greensboro sit-ins? A. The students spread the word through speeches and editorials.
B. The protestors pushed back against the people that opposed them.
C. The movement had spread to more than 50 cities within a few months.
D. They used violence to achieve their goals.

A is the correct answer

Explanation:

That shows the impact

probally   a few days after there called

the emancipation proclamation was the aim of the war change to include the freeing of slaves in addition to preserving the union. the 13th amendment, which abolished slavery in the u.s. was passed on december 6th 1865.

as promised, lincoln waited to unveil the proclamation until he could do so with success from the union military advance. on september 22nd 1862, after a victory at antietam, he publicly announced a preliminary emancipation proclamation, declaring all slaves free in the rebellious states as of january 1st 1863.