In what ways did shared culture among national groups and industrial classes lead to social and political changes in europe?

1. Machines replaced people in methods of production.
2. The factory replaced the home as the center of production.
3. The standard of living grew higher as more goods were produced.
4. Factory jobs tended to bore workers. Workers did the same thing every day and often lost or never developed a sense of pride in their work.

A. southerners underestimated republicans eagerness to end slavery.

Ibelieve the answer is the  third option, or c.