A. Harry S. Truman
B. Richard Peter
C. Dwight D. Eisenhower
D. None of these
🧠 Explanation:
Dwight D. Eisenhower was U.S. president during the 1960 U-2 crisis, a Cold War espionage incident. Studying this highlights international relations, a key topic in history. It underscores U.S.-Soviet tensions, with implications for understanding Cold War diplomacy and global security dynamics.