The Union’s control of the Mississippi River hurt the Confederacy’s ability to supply its troops.
maintain its navy.
divide the North.
recapture New Orleans.

A. supply its troops

Explanation:

cultural history is your answer

to reform the distraught soviet union, the democratization of the communist party was promoted through party secretary mikhail gorbachev's policies of “perestroika” and “glasnost.” perestroika refers to the reconstruction of the political and economic system established by the communist party.