Most of the battles of Civil War took place in the South, which was a benefit to the Southern armies against the likes of the North.
The Civil War was an important series of events in the American history, which saw the battles between the two racial groups in the North and South.
The battles took place in the southern region, which helped the southern armies in ways like knowledge of the terrains and gaining the support of the locals.
Hence, option A holds true regarding the Civil War.
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