It’s D. The 18th amendment
Answer:
Manufacturing, and automated labor.
Explanation:
A lot of the jobs that required people to do things themselves have now been replaced by robots or by systems that require less people to operate. This can be seen heavily in the industrial revolution.
The economical boost of selling of cotton lead to the cotton gin being created during this period of time. Unfortunately, more cotton being produced meant more slaves being needed.
The answer is D) Nationalism.
Its 1 Americans should speak in favor of neutrality.
4 It is important for every American to have the same spirit.