(HELP ASAP)
Using all of the sources,which statements best explain how specialization affected the economic development of regions in the United States?

Select the THREE correct answers.

A: The west became a major supplier of manufactured goods for Northeast.

B: The Midwest became a major grain-growing region of the United States.

C: the north became dependent on workers who migrated from the South.

D: The south hat to import most of Ts food to feed its growing population.

E: The south began to produce more cotton than any other region

F: The northeast became a center for manufacturing and industry.

G: The north and south produce similar crops and goods.