This quiz explores the consequences of the Second Red Scare in the wake of Senator Joseph McCarthy’s allegations about communist infiltration within the U.S. government

Note: this topic (US McCarthyism/Second Red Scare) has no gov.in or Tier 1/2 sources — none of the whitelisted domains cover US Cold War domestic history. Per the fallback rule, grounding in Tier 4 (History.com, National Archives, ushistory.org — treated as Tier 3/4 equivalent reference sources) plus the article content itself.

1. At a Glance

2. Why in the News

3. Background & Evolution

4. Core Static Facts

Item Detail
Term Second Red Scare — anti-communist fear, roughly 1947-1957
Triggering order Executive Order 9835 (Truman, March 21, 1947), the "Loyalty Order" [S2]
Screening scope Over 3 million federal employees investigated [S2]
Outcome Estimates range: ~300 dismissed as security risks (narrow figure) to ~2,700 dismissals and ~12,000 resignations (1947-56) under loyalty investigations broadly [S2]
Key congressional body House Un-American Activities Committee (HUAC) [S3][S4]
Key individual Senator Joseph McCarthy (Republican, Wisconsin)
Landmark speech Wheeling Speech, February 9, 1950 — claimed 205 (later revised to 57) "known communists" in the State Department [S3]
Note McCarthy was not a member of HUAC; he operated via the Senate, not the House committee [S3]
Cultural depiction Good Night, and Good Luck (2005) — dramatizes journalist Edward R. Murrow's opposition to McCarthy [S1]

5. Multi-Dimensional Analysis

6. Recent Developments (last 12-18 months)

7. Prelims Hooks

8. Mains Relevance

9. Related Topics to Study Next

10. Common Errors / Trap Areas

11. Sources