Trump did not cause the deep division in the country. It caused him. There are two very different Americas. I suspect that the half of the country that voted for Trump, that voted with wild enthusiasm, that roared at huge rallies, was not so much voting for Trump as against the other America. It was just that they had never had a chance before. The two countries have little in common and do not belong on the same geography.
And it continues from there. I doubt I need to comment.