What key advantage did the confederacy possess over the union?
a. the south didnt need to conquer the north to win its independence.
b. the confederates had a stronger ethical reason to fight.
c. the confederacy had more capital and capacity to manufacture arms.
d. the south was renowned for its superior naval forces.

the answers is b.   environments.

the monroe doctrine is the best known u.s. policy toward the western hemisphere. buried in a routine annual message delivered to congress by president james monroe in december 1823, the doctrine warns european nations that the united states would not tolerate further colonization or puppet monarchs.