"The Cold War in the 1950s": HTML5 Crossword

Across

2. Organisation to rival NATO is formed in 1955 (6,4)
3. Country 'falls' to Communism in Asia in 1949 (5)
5. Idea that if one country falls to Communism then so will others (6,6)
6. Country divided along the 38th parallel (5)
7. Organisation set up in 1954 in South East Asia to protect against a Communist threat (5)
9. Idea that having nuclear weapons would stop the other side from attacking you (9,0)
13. Capital of Hungary (8)
15. Abbreviation for an Intercontinental Ballistic Missile (4)

Down

1. Hungary was very much in the Soviet ______ __ _________ (6,2,9)
4. USA tests this bomb in 1952 (8)
8. End of 25 years in power for this person in 1953 (6)
10. Stalinist leader of Hungary replaced in 1956 (6)
11. Speech where Khrushchev attacked what Stalin had done (6)
12. Leader who hoped that Khrushchev would allow more reforms in Hungary (4)
13. USSR finally gets this in 1949 (4)
14. Crisis in Egypt that distracted the attention of the US, Britain and France away from the uprising in Hungary (4)