Problem: Dance of the Reed Flutes is part of which ballet first performed in 1892?
Answer: nutcracker

Problem: The United States deployed combat units in 1965 into which war to prevent a communist takeover of Southeast Asia, part of a wider strategy called containment?
Answer: vietnam war

Problem: What was the name of the world's first nuclear-powered submarine?
Answer: nautilus

Problem: 7377 of which Avro bomber were manufactured during the course of World War 2?
Answer:
lancaster