Answer :
In President Reagan's Address at Moscow State University, the fact among the given options is:
"Every four years the American people choose a new president, and 1988 is one of those years."
This statement is a fact because it refers to a specific event that occurs regularly in the United States. The presidential elections are held every four years, and 1988 was indeed one of those years when the American people elected a new president. This information can be verified through historical records and is not an opinion or interpretation like the other statements provided.
"Every four years the American people choose a new president, and 1988 is one of those years."
This statement is a fact because it refers to a specific event that occurs regularly in the United States. The presidential elections are held every four years, and 1988 was indeed one of those years when the American people elected a new president. This information can be verified through historical records and is not an opinion or interpretation like the other statements provided.