How were african americans treated while serving in the union military?

a. they were returned to southern slaveholders.

b. they received equal pay throughout the war.

c. they were assigned the most dangerous tasks.

d. they were placed in the safest battle positions.

c. they were assigned the most dangerous tasks.

The right answer is C

Explanation:

Because American soldiers were afraid to be close to African Americans; they feared that the African Americans would harm them, they saw them as slaves. the Americans did not want them to be captured if not rather executed in order to end the nonsense that there were African-American soldiers.

C. They were assigned the most dangerous tasks.

Explanation:

the qing dynasty placed strict limits on foreign merchants' ability to trade in china.

the answer to your question is:

strong-mayor system