What are the factors that may give rise to a resurgence of a rightist movement on the scale of the 1990s Patriot movement? What trends indicate that it will occur? What trends indicate that it will not occur?

What are the factors that may give rise to a resurgence of a rightist movement on the scale of the 1990s Patriot movement? What trends indicate that it will occur? What trends indicate that it will not occur?