Modern-day Beijing became the capital of China after the mongols took over China.
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".
I think it was the boston tea party
Answer:
Shays' Rebellion starts in Massachusetts. ... Daniel Shays, a former Continental Army captain, led a group of upset western Massachusetts residents that clashed with the state government over the forgiveness of wartime debt and high taxes.
Explanation: