The role of the United States in global money methods has been outstanding since the introduction of the civilized currency system. For every time money has evolved, the United States has one way or the other found itself around as a key influencer of the system.
It can be argued that the strength of the economy of the United States relies more on its monetary policies, in line with the global money system, rather than actual internal productivity within the country.
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https://medium.com/@official_83664/understanding-the-usas-history-with-cryptocurrency-4ade6c35199b
