Civil war. Conservatives probably win. In order to ensure the security and continuing stability, President Trump will reorganize the United States into the first American Empire. For a safe and secure society of course.
A decade or two down the line there will be a crazy amount of deportations, eugenics and forced sterilization.
That would be the shape of the nightmare to come if something like that ever happens.
Even the military couping Biden wouldn't be as bad as Trump land.
How so? Most Conservatives are outta shape and have piss poor aim.