Could be historical interpretation! Sounds like that is the most likely answer!
Answer:
the compromise of 1850 was the first slave related historic event that happend hope it helps
Explanation:
Because at any given time the soviets could set the missiles off and attack the US from all sides and we would have no way to stop it. It would also be attacking some of the most important places in the US
A reason could be that trading food wasn’t that popular at the time seeing that you only needed to grow food for your family
I would think that people would want to stay were they are you can sometimes get a passport for the things you need and get