Which reason best explains why the Northeast and the Midwest developed a close bond? A. There was a great deal of trade between them.
B. They both opposed slavery.
C. They were both industrial regions.
D. They both held similar political views.​

A - There was a great deal of trade between them.

Explanation:

equal area projections

equal-area projection. a projection in which regions on the earth's surface that are of equal area are represented as equal.

a phrase from a poem by ralph waldo emerson about the battle of lexington and concord. emerson's words read, “here once the embattled farmers stood / and fired the shot heard round the world.”