Nothing as momentous happened in 2016. If anything, the electoral power of members of the demographic group that voted for Trump — older white Christians with no college education — is going to diminish in the coming years. African Americans, Hispanic and Asian Americans as well as liberal young voters will determine the outcomes of elections even in what are now red states, like Georgia, Arizona and Texas. Old miners in West Virginia are ‘out’; young urbanites are ‘in’.
In that context, the cultural changes in the country, such as growing secularization and evolving sexual mores and attitudes towards gays, are not favoring the Trumpists who rely on the support of Evangelical Christians and conservative Catholics.
Reaganism thrived on the concept of the big political tent that brought together libertarians, national security hawks, Evangelical Christians, suburbanites, urbanites and residents of rural areas. Trumpism seems to be moving in the other direction, towards building a very small tent of voters. Small tents don’t build global movements.