Answer: the second one
Explanation:
It is the answer because The African Americans were divided in choosing which side they wanted to be on.
Regiment, in most armies, a body of troops headed by a colonel and organized for tactical control into companies, battalions, or squadrons.
Pre-WW1 pacifism was the belief that violence was always immoral, even if someone is trying to kill you. The belief might have been grounded in religious commitment against the killing of human beings or in a secular belief that war could never replace peaceful negotiations as a means of solving disputes.
