At the beginning of the civil war, enslaved african americans who escaped to union lines

a.
were enlisted into the union army
b.
were freed and sent to northern cities for food, clothing, housing, and jobs
c.
were required to work in menial jobs in the army
d.
were often returned to their enslavers in the south

The answer to this question is B. were freed and sent to northern cities for food, clothing, housing, and jobs

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the  seven  days  battles  were  a series of seven battles over seven  days from june 25 to july 1, 1862, near richmond, virginia,  during  the american civil war. the  seven  days ended with mcclellan's army in relative safety next to the james river, having suffered almost 16,000 casualtiesduring  the retreat.

the correct answer is:   the domino theory states that if one country in a region came under the influence of communism, then the surrounding countries would follow in a domino effect.