"US History - Eisenhower and Kennedy Years": HTML5 Crossword

Across

7. U.S. space program agency (4)
8. Elected president in 1952 (6,1,10)
10. Complete disaster (6)
15. First black major league baseball player (6,8)
16. To feel hostile toward someone or something (9)
18. Isolate due to disease (10)
19. Starred in 'Rebel Without a Cause' (5,4)

Down

1. To greatly increase nuclear arsenal (13)
2. Youngest elected president (4,1,7)
3. The first, in law (9)
4. High level of excitement or anger (10)
5. To wipe out (9)
6. Investigated Americans suspected of being Communists (6,8)
9. City of Kennedy assassination (6)
11. Sang 'Don't Be Cruel' (5,7)
12. To avoid danger (5)
13. What country detonated the first atomic bomb in 1949? (6,5,0)
14. First American in Space (4,5)
17. 'Bay of Pigs' country (4)