The answer is Authoritarianism
Answer:
a lady at the bank today said she was gonna check he balance so i pused her over
Explanation:
They had to actually collect people who were willing to go, collect enough supplies and Good, weather could have been bad, sickness, lots of people scared to go to a new land
I think that the best answer is the geographic location: many other countries (Sweden for example) have tried being neutral at different times but did not manage to: but the fact that the US has only two boundaries, and that both other countries also have a history of fighting from independence from a European power, makes it possible that unless US decideds to get involved in international politics, it can be "left alone".