Why did vicksburg surrender?

1. the city ran out of food and the people inside were starved into surrendering.

2. the city had no water and the people inside had to surrender.

3. general grant's attack of the city caused heavy casualties for the confederates.

4. the confederate commander was ordered by jefferson davis to surrender to general grant.

1 The city ran out of food and the people inside were starved into surrendering.

Explanation:

The Union Army was able to get control of the  Mississippi River.  Vicksburg has unable to receive food or supplies, after 47 days they had to surrender

in which two ways were the northeast woodland indians and the southeast indians similar? both collaborated to form the iroquois confederacy. both cultivated the crops of corn, beans, and squash. both lived in rich environments of swamps and rivers. both lived in tree-bark dwellings called wigwams. both expected men to hunt, while women farmed.

the confederate at bull run