Where is Vicksburg? Why was its capture by Union forces significant?

Vicksburg Campaign, (1862–63), in the American Civil War, the campaign by Union forces to take the Confederate stronghold of Vicksburg, Mississippi, which lay on the east bank of the Mississippi River, halfway between Memphis (north) and New Orleans (south).

Explanation:

Vicksburg is located on the banks of the Mississippi River.

Explanation:

The capturing of Vicksburg was so important because it was the last Confederate city on the river, so when the captured the city, they cut the Confederacy in half, severing their supply line.

i think the answer is c, rivers.

explanation:

sometimes, borders fall along natural boundaries like rivers or mountain ranges. for example, the boundary between france and spain follows the crest of the pyrenees mountains. for part of its length, the boundary between the united states and mexico follows a river called the rio grande. the borders of four countries divide africa’s lake chad: niger, chad, cameroon, and nigeria.

what are the options?