Maybe you forgot the little detail where Ukraine gave up 1700 nuclear bombs on a promise from Russia and the United States that they have nothing to worry about. Russia wiped their ass with that promise, should we do the same?
If the current world order is reconfigured, America has the most to lose.
I know that no world order is forever, the US has a vested interest in the stability of the current world order and keep it as long as possible.