Answer:
B
Explanation:
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On April 12, 1861, forces from the Confederate States of America attacked the United States military garrison at Fort Sumter, South Carolina. Less than two days later, the fort surrendered. No one was killed. The battle, however, started the Civil War, the bloodiest conflict in American history.
- Created jobs
- Fostered technological inventions
- Contributed wealth of country
Negative-
- Shortened the life span of workers
- Created pollution
- Increased the gap between the rich and the poor
Personally, I think the incredible urbanization was most important. It created this whole new working class of people, even though they weren't treated fairly