One of the primary characteristics of dictatorships is intolerance for dissent.
While it has been said that all forecasts are wrong but some are useful, here is an outline of some of what can happen in the United States after trump takes office for a second term.
Step 1: Create en external enemy list. Since most of potential enemies within the Federal government are gone already, the next step will be neutralizing external enemies. External enemies include but are not limited to: specified journalists, critical elected officials, black agitators and their supporters and social media agitators.
Step 2: How to neutralize all external enemies. This is not an exhaustive list and the reader may be able to think of additional methods of silencing external enemies.
Media which reports facts - call them 'fake news' then buy out the company or nationalize it and fire all the staff and change editorial policy to support government.
Elected officials - kill them, make them an offer they can't refuse or change the electing process to eliminate them.
There are no appointed official enemies left, but if there are any, then follow the steps above for elected officials.
Protesters - Kill them. Already in place for black protesters, but needed for non-black folks.
Agitator citizens- See above. Those who follow or create anti-government media like this blog.
You live in a fantasy world if you think any of this is extreme and/or impossible - these are real.