What was the successful Union strategy for taking Vicksburg? (1 point) Responses to avoid Confederate fire by digging canals around the fortress to avoid Confederate fire by digging canals around the fortress to launch a naval attack against the fortress at Vicksburg to launch a naval attack against the fortress at Vicksburg to surround and bombard the city, cutting off supplies to surround and bombard the city, cutting off supplies to sneak across the river and attack the city at night
