Answer:
I think it is B
Explanation:
Southern states that seceded immediately after Lincoln's election in 1860 did so because they had already been planning it in the event of a Republican victory. Their motivation involved what they perceived as a threat to the institution of slavery, which their economy was dependent upon.
An archaeologist is someone who studies artifacts
In U.S there was a lot more land available at the time and many people were looking for a fresh start. Many people were looking to expand trades and business. In the city many places offered unskilled workers opportunities for a steady job.
Hope this helps!
They used them by having the Indians work and change religions
