Industrialization moved to more impersonal compontents. The worker is seen as replaceable. If a worker got hurt, another worker would step in. Later more machines replaced the workers. Dirty conditions and poor lighting. Extreme hours, 14 -18 hours a day.
Answer:
C. ended U.S. involvement in the Korean War
Explanation:
I think the answer is Galacian. not 100% though...
It's called Nullification