C. New immigrants worked mostly in unskilled jobs.
Hope this helps
The answer is slavery. The Republicans were anti-slavery, while the democratic south was pro slavery. Eventually that, and a couple of other things, led to the Civil War.
Sorry if this was a bit late, Brainly had just recommended this question for me to answer, but I hope this helps!
Answer:
American spy planes photographed Soviet missile bases on the island. Have a good day
Explanation:
