How?
No, seriously, what specific policies do we need to fix things and prevent the recurrence of the current status quo? Most of the 'America is Rome right before going from republic to empire' comparisons
I've seen don't actually address any of the systematic problems, they just go 'we'll replace all our current stock of uselessly corrupt elected politicians with a strongman dictator and actually win our imperialistic wars with a change of military doctrine from attempting to prop up puppet regimes among the locals to simply killing them and stealing their natural resources'. The thing is, the current crop of parasites could survive just fine under such a system, if anything, they could take it as an advantage now that totalitarianism was closer to the overton window.