Simplify the following text for a Grade 7 native English-speaking person.
Original: It originated in the Mississippi Delta , a region of the United States that stretches from Memphis , Tennessee in the north to Vicksburg , Mississippi in the south , the Mississippi River on the west to the Yazoo River on the east . The Mississippi Delta area is famous both for its fertile soil and its poverty .
Simplified: It started in the Mississippi Delta ( a place in the US that goes from Memphis to Mississippi ) .