Answer:
I also feel like the answer is A.)
According to quizlet.com "North: factories, cities, small farms, immigration communities, no need for slavery, a house was the basis for northern power, more railroads<span>South: slave labor, plantations, cotton, few immigrants, senate basis for political power, few railroads"
Hope this helps.</span>
After the civil war, railroads connected the country on a national scale, boosting the economy and leading to mass production, mass consumption, and encouraging entrepreneurs.
Answer:
Protect America against immigrants from enemy countries
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