‘Fear and aggression — dogmatism and intolerance’: These psychological motives have shaped right-wing conservatism in America ever since the Civil War 

Many people who see little rational basis for supporting Donald Trump ask themselves: Why is he so popular?  Relatedly, why did so many people support Richard Nixon, Adolf Hitler, and other avatars of popular right-wing conservatism?  There are, of course, many different reasons for each situation. 

Source: ‘Fear and aggression — dogmatism and intolerance’: These psychological motives have shaped right-wing conservatism in America ever since the Civil War – Alternet.org