Why was taking Vicksburg such a daunting task for the Union?

Question

(1 point)
Responses

Vicksburg was protected by a series of canals.
Vicksburg was protected by a series of canals.

Vicksburg had many geographical advantages.
Vicksburg had many geographical advantages.

The Union army had few troops and supplies.
The Union army had few troops and supplies.

The Union navy had no gunboats.
The Union navy had no gunboats.

Answer 1

Vicksburg had many geographical advantages.