Look at the graphic.
A map of the United notes titled Railroads and Ranchers.

According to this graphic, what was the role of midwestern cities in the meatpacking industry?
*They were a major source of cattle for the meatpacking industry.
*They processed meat to be sold in the Great Plains.
*They processed meat to be sold in eastern cities.
*They served as a stopping point for farmers bringing their cattle to eastern cities.