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Many battles of the Civil War have two names because the North and the South had different names for battles during the war.
The Civil War In America
The Civil War of the 1860s was fought between the North and the South.
Both sides has different names for the troops the North called the Union, and the South called the Confederates.
The confederacy was the 11 states that succeeded from the Union and form their government.
Thus option A is the correct answer.
Learn more about the Civil War here:
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