As surprising as Trump's electoral college win was for many of us who relied too heavily on the polls, the fact that someone like Trump surfaced at this time in America is not at all surprising. For decades certain factions in this country have been motivated by what they see as their right to acquire as much as they are able, without regard to the country, the common good, their employees, or any government regulation that could curb their business desires.
I highly recommend Jane Mayer's book, Dark Money: The Hidden History of the Billionaires Behind the Rise of the Radical Right. Reading it will give you an idea of the scope and the damage done to this country on behalf of a few very wealthy humans whose greed knows no bounds.
Here's a book review from the New York Times: