When a country declares a trade against another country, they are refusing to trade with them.
a. limit
b. permit
c. embargo
d. allowance

c. embargo

When a country declares a trade embargo against another country, they are refusing to trade with them.

Explanation:

Trade embargo is known to be an order by the government of a country through the imposition of trade restriction on another country. Government can restrict a foreign country not to import certain goods or all goods into their country. Thus, trade embargo is a type of trade barrier which a country placed on another country for some many reasons. One of which is political differences.

the president has the power to appoint federal judges, ambassadors, and other "principal officers” of the united states, subject to senate confirmation of such appointments.

answer; /// the only one of the above that makes good sense is ( the poor,plz check luck