That the current US administration is behaving today not terribly unlike the UK regime of the late 18th century is not a convincing argument for the UK reassert

That the current US administration is behaving today not terribly unlike the UK regime of the late 18th century is not a convincing argument for the UK reasserting its historic imperial ambitions in North America or elsewhere. Furthermore, the native populations of those western territories would probably like to have a word over UK & European rights to assert such privileges in the first place.