Question

the name of the region located between vicksburg and memphis and between the mississippi and yazoo rivers? (hint: cotton is grown here)
the pine belt
the delta
the gulf coast
the great plain

Explanation:

The region between Vicksburg and Memphis, between the Mississippi and Yazoo Rivers, where cotton is grown, corresponds to "The Delta". The Delta (Mississippi Delta) is known for cotton cultivation and is located in that river - bounded area.

Answer:

The Delta