How did the Civil War bring temporary and lasting changes to American society?

It freed all of the black men and ended the issue over slavery, but the South's economy was destroyed while the North's economy boomed.

Explanation:

The first three 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. Some long-term effects that occurred after the Civil War were the abolishment of slavery, the formation of blacks' rights, industrialization and new innovations. The Northern states were not reliant on plantations and farms; instead they were reliant on industry.

world war i began in 1914, after the assassination of archduke franz ferdinand, and lasted until 1918. during the conflict, germany, austria-hungary, bulgaria and the ottoman empire (the central powers) fought against great britain, france, russia, italy, romania, japan and the united states (the allied powers). to new military technologies and the horrors of trench warfare, world war i saw unprecedented levels of carnage and destruction. by the time the war was over and the allied powers claimed victory, more than 16 million people—soldiers and civilians alike—were dead.

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