By clinging to American primacy through force and intimidation, Donald Trump is, ironically, undermining US global power. A saboteur trying to subvert US interests from the inside could hardly do better than what he’s accomplished through sheer incompetence.
Give them half a chance, they’re currently working on internal ethnic cleansing.
Once that’s done, or concurrently, they’ll move on to some blatant warmongering in the South China Sea, including the upcoming invasion of Taiwan.