Another predictable consequence if Trump wins especially if he steals power like he tried to last time, is resistance by entire states of his maga fascist turn America into Hungary or even worse agenda. That will be more pronounced in solid blue states and much messier in more purple states. People in red states who aren't happy with the changes will suffer but many will move to blue states, and vice versa. In that sense, a least a shadow of regional civil war as people more than they already do pick their location based on POLITICS.
Also learn now about SCHEDULE F if you don't already know. SCHEDULE F is going to be major news if Trump wins.
It's how he'll be able to end American democracy and it's perfectly legal.