Additionally, it played a role in the Holocaust
Don't mistake the Nazi's pandering to Christians as Hitler being a Christian. He suppressed Abrahamic religions as Jewish inventions and cracked down on the ones which wouldn't honor Nazism. Christianity has made a lot of mistakes over history which should be acknowledged as it's not perfect but to make this assertion is incorrect.
And the statement about Donald Trump is an oversimplification. Trump knew he couldn't win as a Dem so he overlooked and modified his platform to appeal to the Tea Party crowd. While many of them are Christian's, there were plenty who opposed his presidency. And while the two are correlated, they're not exact. It was much more of a cultural phenomena as many of his voters were Christian's but it wasn't the religion that got him elected.