This New Yorker article gives an accurate analysis of what is occurring in our country. I've bolded the paragraph that speaks loudest about why Trump is the candidate of the Republicans. Unfortunately, because the article is intelligent and uses a broad vocabulary, it wouldn't be understood by most Trump voters, if any. They are oblivious to their own ignorance and racism as they follow in the footsteps of the Germans in the 1930s and '40s.
Fascism is on the march in our country, just as it was when Hitler appealed to the most ignorant masses in Germany. Racism in the Republican party has been stirred up by Trump with the help of Fox and the Alt-Right wing that has taken over the GOP. The numbers of lunatics have increased as Trump has given them leadership and encouragement. Just as happened in Germany, they are spreading their hatred to other ignorant members of their party in hopes of electing a dictator who will "cleanse" their country of much-feared "others."
Unfortunately, Trump and his supporters are demonstrating that there has been little evolvement in human nature since the days of World War II. The U.S. claim of American exceptionalism is now being proven to be false empty boasting.
Those who refuse to learn from history are doomed to repeat it. I just hope they don't take the rest of us and our country with them down their dark rabbit hole. I am praying that sanity in the majority of the voting electorate will trump Trump next Tuesday.