China managed to throw out the Japanese mainly because the defeat by the US forces
and in late stages the Soviets (aid from foreign powers).
No large improvement of the economy until the Community Party decided to foster a good economic climate.
Let's see, which contries have been "occupied" by Americans for a substantial time during the last 100 years.
Japan, Germany, maybe you could call South Korea "occupied", if you are in that mood.
All financial disasters by any measurement...
Then you have Vietnam where the South Vietnam regime invited (begged) for the US so not conquered.
Finally Iraq and Afghanistan which are the examples of totally failed approach by the inhabitants.
What is important is not absence of foreigners, but absence of conflicts and strangling rules/customs.
I remember the movie "the Mouse that roared" where there was a small kingdom in Europe that was bankrupt.
Their strategy, based on the result of the WW2 was to declare war vs the US on Monday, expect a US invasion
on Tuesday, and a flow of money due to a "Marshall plan" for the occupied territories on Wednesday.
They sent their army consisting 20 odd archers to the US, but unfortunately the commander blew it by capturing some nuclear bombs and forced the US to surrender.
The commander was NOT popular, when he returned home with a victory...