Based on the information on the map, what can you infer about industry in the United States?

(1 point)
A. Manufacturing was a key part of the economy in the Northeast.
B. Agriculture was the major industry in the South.
C. Mills in the Northeast had to be close to ports to make it easier to transport factory-made goods.
D. Population levels in the Midwest made it difficult to support the amount of labor required to industrialize.

Based on the information on the map, you can infer that:

A. Manufacturing was a key part of the economy in the Northeast.