He could just mention things like 9/11, Iran calling us the “great satan”, taking American hostages in 1979, taking US sailors hostage, the many murders of American citizens both in and outside the US by Muslims in the name of Islam, and so much more.
He is first and foremost an executive and leader. He mentions the overview topic; then his staff runs and fills in many details, then he issues a few corrections. In the debates, his competitors have been playing the part of "staff", however badly. Trump says a thing, and each in turn says, "NO!", followed immediately by a longer, wordier version of what Trump has just said. Sometimes they even quote him word for word.