There is a variety of answers for this, however, your answer choices should include these people:
For the United States of America, leaders include Harry Truman, Dwight Eisenhower, Ronald Reagan, John F. Kennedy, Lyndon B. Johnson, Richard Nixon, and General Douglas MacArthur.
For the Soviet Union, Joseph Stalin, Nikita Khrushchev, and Mikhail Gorbachev.
Hope this helps!
