| A | B |
| Joseph McCarthy | Senator who was condemned by the Senate for his conduct |
| Army | Hearings that exposed McCarthy's unfair tactics |
| censure | Congress's most severe way of condemning the behavior of a member |
| Hydrogen | type of bomb developed in the early 50s |
| Civil Defense Administration | educated people about the dangers of nuclear warfare |
| Yates v. United States | Supreme Court stated that believing or teaching an idea is not a crime |
| Eisenhower | This President privately disapproved of McCarthy but never denounced him |
| Joseph Welch | attorney for the Army against McCarthy |
| Margaret Chase Smith | Senator who gave the "Declaration of Conscience" Speech |
| Skeptical | attitude of Americans towards wild charges after McCarthy's downfallR |
| radicals, heavy drinkers and homosexuals | Seen as security risks by Truman |