I’m not totally sure but I think the answer is A
The Union army was about twice the size of the Confederate army. According to the National Park Service records, there were roughly 2.6 million members enlisted in the Union Army. On the other hand, there were only about 750,000-1.2 million people enlisted in the Confederate army. This shows how the Union had a significant advantage throughout the Civil War.
Its was religion,well i think it was
Protestors of the Vietnam war were shot at and 4 were killed by the Ohio National Guard