Trump says record boats leaving Hormuz, calls communism ‘biggest threat’

U.S. President Donald Trump traveled to North Dakota by train for the dedication of the Roosevelt Presidential Library. The article states that Trump commented on a record number of boats leaving the Strait of Hormuz and identified communism as the biggest threat. The provided content does not elaborate on the reasons for the boat departures or the specific context of Trump's remarks on communism. The article focuses on the President's arrival in North Dakota for the library event.