Answer:
an official ban on trade or other commercial activity with a particular country.
Explanation:
For most freedmen in the South after the Civil War ended life was unfortunately not much different than it had been before (at least economically) since many of these men were denied social and economic rights, and were tied to the land of farm owners.
C. Because the law reigns supreme over all the citizens of a country
Democratic governments protect the basic civil liberties.