Answer:
Step-by-step explanation:
Question 2
is easier to deal with than question one. The solders of the Union Army had seen how slaveowners treated the slaves when they (the slaves) were returned to them. The Union enlisted men were outraged: their moral sensibilities were aroused. Read the Paragraph beginning Sept. and Oct. Pay particular attention to the last sentence.
Question 1
I think the runaway slaves provided intelligence for the Union Army. It's not entirely clear. Scouts guides and servants is likely the answer you want.