How did the Civil War affect Benjamin Harrison's campaign to become president?

a. His opponent accused him of being cowardly since he left the war early.
b. Harrison lost votes since he was seen as a hawkish leader too interested in war.
c. Veterans supported him for fighting in the war and promising to help veterans.
d. He lost his campaign due to being a Copperhead during the war.

c. Veterans supported him for fighting in the war and promising to help veterans.