Answer:
to fight for the civil rights of African Americans
Explanation:
The correct answer is B) They were the last battles of the war and resulted in the Confederacy's surrender. The Siege of Vicksburg was the final major military action in the Vicksburg Campaign of the American Civil War and the Battle of Gettysburg was the largest battle fought during the war and had the highest number of casualties. They both happened in the month of July in 1863.
A)a new defensive tactic known as trench warfare
Trench warfare allowed the war to drag on for long periods of time because of the stalemates that ensue from the opposing armies refusing to give up the land under their controls, resulting in high casualties in no man's land.
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