Why was the capture of vicksburg so important for the union forces?
a. the city's industries
b. the city's location on the river
c. the city's distance from the other battlefields
d. the city's large civilian and military population

B. the city's location on the river

Explanation:

By gaining control of the Mississippi river the Union was able to split the confederacy into two parts and choke off their food

federal power is further limited with a system of checks and balances that gives each branch of government a measure of power over the others.

explanation:

the answer to your question is:

strong-mayor system