What was the successful Union strategy for taking Vicksburg?

Question

to sneak across the river and attack the city at night

to launch a naval attack against the fortress at Vicksburg

to surround and bombard the city, cutting off supplies

to avoid Confederate fire by digging canals around the fortress

Answer 1

The successful Union strategy for taking Vicksburg was to surround and bombard the city, cutting off supplies. This tactic eventually forced the Confederate forces to surrender, concluding the Siege of Vicksburg in July 1863.