You basically take someone else's idea and make it your own
It changed it because they now had a more realistic view of the world and now knew that the sun was at the middle of the universe and they had just come out of the Black Death
1. Industrialization
2. Economic Opportunity
3. Technological Change
4. Immigration
Yes because they wanted to abolish slavery and resulted in the American Civil War
C, because that was basically one of the reasons for the Civil War as well. The Northern and Southern states were always fighting about whether slavery should expand west or not.
