C. handling the process of sending international mail
Answer:
A. Cutting off all relations with a country is an effective way to show that its actions are unacceptable.
Explanation:
In trade and international politics, an embargo is the prohibition of trading and negotiating with a particular country. It is usually declared by one group of nations against another, in order to isolate it and place its government in a difficult internal situation, since the effects of the embargo often cause its economy to suffer. The embargo is normally used as a political punishment for certain prior policies with which it is not agreed, although its economic nature often leaves enough space to doubt the true interests that benefit from the measure.
The president. The president is the chief executive of the U.S. government. Glad I could help :)
Because they never knew when one of their family members would be sold to a separate place. They had no way to stop things from happening.