Toyota would have gone bankrupt in post-War Japan if it wasn't from massive US demand in the Korean War.
The Vespa popularized by Hollywood's Roman Holiday propped up a post-War Italy.
Ping-Pong Diplomacy of the 70s gifted China its electronics manufacturing (think: PONG) turning it from a 3rd world backwater to what it is today. The exchange was in removing the 'Gang of Four' and the drugs associated with it.
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The US was put into a privileged position as reserve currency of the WORLD in Bretton Woods. This is with the understanding/responsibility that the US would act as World Police and prop up foreign economies.
That is the system that is ending.