Which civil war battle was significant in that the union army was able to halt robert e. lee's invasion of the north?
a) fredericksburg
b) gettysburg
c) shiloh
d) trenton

The correct answer is B) Gettysburg

The Battle of Gettysburg took place between July 1 and July 3 of 1863. This battle was imperative in terms of the Civil War, as the Union were able to force Robert E Lee and the Confederacy to retreat. This is considered a turning point by many historians due to the fact that the Confederacy never invaded the Union states again after this battle.

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