Brainliest for the correct

which statement accurately compares the military strategies of the north and south regarding control of the mississipi river during the civil war?

a. the north sought the use of the river to ship freed slaves to northern cities, while the south wanted to use the river to ship cotton to northern cities

b. the north sought control of the river to ship grain, while the south wanted control of the river to launch attacks on the city of st. louis

c. the north wanted control of the river to divide the south into two, while the south wanted the use of the river to keep confederacy strong

d. the north wanted the river as a source for freshwater for its troops, while the south wanted to use the river only for transportation