Basic divide and rule tactics, scapegoating, othering, the usual nonsense that we fall for due to our flawed brains, we're so easily manipulated, especially when we're frightened.

I'm no fan of fascism, I am in favourite ending equality though and the neo liberal economics that drove people to vote for this terrifying scenario are the root cause. Huge wealth inequality always ends in authoritarianism Democrat's and republicans alike are responsible for whats unfolding.