What effect did the Union victory at Vicksburg have on the Confederate garrison at Port Hudson?

(1 point)
Responses

They called for reinforcements.
They called for reinforcements.

They surrendered.
They surrendered.

They switched sides.
They switched sides.

They dug in for a siege.

1 answer

The correct response is: They surrendered.

The Union victory at Vicksburg in July 1863 significantly weakened the Confederate position in the Mississippi River valley, leading to the surrender of the Confederate garrison at Port Hudson shortly thereafter.