Across
- 5. School children rehearsed this to avoid being hurt by a bomb blast. ____ and cover.
- 6. History is ______.
- 8. An effort to weaken a society secretly in order to overthrow it.
- 10. Screening all Federal Employees ____ review program.
- 12. To spread ideas and influence.
Down
- 1. The radiation left over after an atomic blast ( page 781).
- 2. Last name of Wisconsin senator who believed that communists spies were working in the US government.
- 3. This project was used to crack the soviet spy code.
- 4. Lying Under oath.
- 7. A married couple accused of selling secrets to the Soviets. Last name.
- 9. A person could not get hired if he/she was put on this list.
- 11. Union In 1949 This county successfully tested an atomic bomb. Two words.