Which improved Lincoln's chances for reelection in 1864?

Union soldiers were forced to vote for Lincoln.

General McClellan captured Atlanta.

General Sherman captured Atlanta on his March to the Sea.

Confederate soldiers did not have time to vote.

Help me pls

A

Explanation:

The US presidential election in 1864 was largely decided by

Union soldiers, who mostly voted for Lincoln.

the fact that Union soldiers were not allowed to vote.

the fact that Southern voters were divided about slavery.

Union soldiers, who mostly voted for George McClellan.