Across
- 3. Post-WWII population surge of the 1940s–60s
- 4. Cold War activity involving secret agents and stolen intel
- 5. Indirect conflict where superpowers back opposing sides
- 7. U.S. vs. USSR contest to stockpile atomic weapons
- 9. Detonated devices powered by fission or fusion
- 10. Binational waterway opened in 1959 linking the Great Lakes to the ocean
Down
- 1. Strategy where both sides fear retaliation with nukes
- 2. Soviet-led military alliance created in 1955
- 6. Cross-country route stretching from Victoria to St. John’s
- 8. Political groupings of nations, like NATO and Warsaw
- 9. Western military alliance formed to counter Soviet power