Countries Visited by John F. Kennedy During His Presidency

Name the countries that suffered at least 300 deaths in the Second Indochina War from 1955–1975.

Try to name that countries that have received the most visits by sitting U.S. Presidents.

Which countries have received a Level 4 "Do Not Travel" advisory from the U.S. State Department since the beginning of 2023?

For each state, name any of the U.S. Presidents who were born there.