The question misses some history. Of all global powers only the USSR has been erased since the advent of democracy. And it can be argued that the disappearance of the Soviets is their lack of democracy. Having the state reside with the People has an incredible sustaining power. For example, France has survived as a nation through several governments. Germany and Italy have been through some wild times and they still exist as nations.

Trump and MAGA might bring about a revolution but America will continue.