What year did Eli Whitney invent the cotton gin? A. 1776
B. 1793
C. 1794
D. 1812​

the answer is B, he invented it in 1793

1793

Explanation:

Built in 1793, the machine helped make cotton a profitable export crop in the southern United States and further promoted the use of slavery for cotton cultivation.

d.

the northwest territory became the most densely populated area in the u.s.

answer is :

many churches split during the movement.

new religions grew in popularity.