All Caesar had to do was harness this growing discontent of the masses through his fake populism and having undying loyalty in much of the army helped as well.
It took just one generation after Ceasars assassination for the establishment of the Imperium and the dissolution of the Republic.
Trump might or might not be reinstated but the beginning of the end of the American experiment has already been set in motion.
The only way to save it is through a radical reorganisation of power to counter the one to come but the establishment want to keep returning to the supposed Utopia that was in place before Trump - missing the obvious fact that it was their "utopia" that lead to Trump in the first place.