In conversation with a young person recently, I mentioned that Washington, DC, had a lot of corruption when I lived there, e.g. if you couldn't get a building permit on the up and up, you could get one anyway through unethical practices. He remarked, "That's just the kind of problem Trump promised to solve during his campaign."
But I suspect corruption at the local level wasn't what Trump was bothered by.
And that left me with the question: What type of corruption did Trump focus on in his campaign?