Answer:
The first three of these postwar amendments accomplished the most radical and rapid social and political change in American history: the abolition of slavery (13th) and the granting of equal citizenship (14th) and voting rights (15th) to former slaves, all within a period of five years. The Missouri Compromise also put a end to the war. since Missouri and Maine freed their slaves before the war ended. Then Radical Reconstruction started from 1863-1877.
Explanation:
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