I’m pretty sure it’s d cause I’ve never heard anything about Pearl Harbor being connected to the Cold War
Answer:
It temporarily avoided a civil war again, popular sovereignty being used as a factor to decide whether the state will be free or a slave state. The slavery issue is becoming worse and more violent. This is igniting the fire of civil war. It effectively repealed both the Missouri Compromise 1820 and Compromise of 1850.
I believe it would be listing general ideas
One reason the railroad company use chinese workers was that they can hire a lot of chinese workers and pay them for a cheap price . The second reason was that there were many of them looking for work .