How did the union strategy differ from that of the confederacy?

Explanation:

the north wanted to destroy the South's economy with a naval blockade of southern ports, gain control of the Mississippi River to divide the South until they gave up or surrendered, and the south wanted to defend itself until the north grew tired of fighting.

i’m   sure probably just geuss and see which one you can get right, i’m pretty sure it is the combination of goods and services

b because thats the naswer i got