The American Civil War 1861-1865 was the defining event of the 19th century for the U. S

The Civil War or American Civil War (in English, American Civil War, or simply Civil War in the United States) was a warlike conflict fought in the United States from 1861 to 1865. As a result of a historical controversy over slavery, the War broke out in April 1861, when forces from the Confederate States of America attacked Fort Sumter in South Carolina, shortly after President Abraham Lincoln took office. Union nationalists proclaimed allegiance to the United States Constitution. They faced secessionists from the Confederate States, who defended the rights of the states to expand slavery.

Explanation:

The Civil War or American Civil War (in English, American Civil War, or simply Civil War in the United States) was a warlike conflict fought in the United States from 1861 to 1865. As a result of a historical controversy over slavery, the War broke out in April 1861, when forces from the Confederate States of America attacked Fort Sumter in South Carolina, shortly after President Abraham Lincoln took office. Union nationalists proclaimed allegiance to the United States Constitution. They faced secessionists from the Confederate States, who defended the rights of the states to expand slavery

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