Answer :
In President Reagan's Address at Moscow State University, the line that represents a fact is:
- Every four years the American people choose a new president, and 1988 is one of those years.
This statement is a factual assertion regarding the electoral process in the United States. It highlights the democratic practice of presidential elections occurring every four years, with 1988 specifically mentioned as one of those election years. This line stands out as a verifiable statement about a recurring event based on the U.S. political system and timeline of presidential elections.