The correct answer is “avoiding European affairs”
Even when Europe was moving closer and closer to war in the 1930s, the US Congress passed the Neutrality Acts that demanded a growth in isolationism and non-interventionism. The isolationists defended that the WWI was a failure and the safety of the US was more important than any war in Europe.
The outcome of the US presidential election in 2000 was determined by "the Florida Supreme Court" since the election was highly contested to to many of the ballots being hard to understand.
It's entire empire crashed after the war. That's the biggest problem.
