APGOV chapter 3

AP Government Unit 3 Study Guide

Focus: Civil Liberties and Civil Rights


Key Terms
  1. Civil Liberties: Constitutionally protected freedoms from government interference (e.g., speech, religion).
    Example: Protected by the Bill of Rights.

  2. Bill of Rights: The first ten amendments to the Constitution guaranteeing fundamental rights.
    Example: Freedom of speech, religion, press.

  3. Wall of Separation: The divide between church and state.
    Example: Referenced by Thomas Jefferson.

  4. Establishment Clause: Prevents the government from establishing an official religion.
    Case: Engel v. Vitale (1962).

  5. Free Exercise Clause: Ensures individuals can freely practice religion.
    Case: Wisconsin v. Yoder (1972).

  6. Symbolic Speech: Nonverbal actions expressing viewpoints.
    Example: Armbands in Tinker v. Des Moines (1969).

  7. Obscene Speech: Speech lacking serious value; not protected.
    Example: Defined narrowly in Miller v. California (1973).

  8. Defamatory Speech: False statements harming reputation (libel = written; slander = spoken).

  9. Free Press: Protects the right to publish without government censorship.
    Case: New York Times v. U.S. (1971).

  10. Libel: False written statements that damage reputation.

  11. Breathing Space: Leeway for press to publish without fear of constant litigation.

  12. Prior Restraint: Government action preventing publication; generally unconstitutional.
    Case: New York Times v. U.S. (1971).

  13. Second Amendment: Right to bear arms.

  14. National Firearms Act: Regulated certain firearms in response to Prohibition-era crime.

  15. Gun Control Act: Expanded federal firearm regulations.

  16. Brady Bill: Mandated background checks and waiting periods for gun purchases.

  17. District of Columbia v. Heller: Affirmed individual right to own firearms.

  18. Eighth Amendment: Prohibits cruel and unusual punishment.
    Case: Furman v. Georgia (1972).

  19. Fourth Amendment: Protects against unreasonable searches and seizures.
    Example: Warrant required unless probable cause exists.

  20. Metadata: Data about communications (e.g., time stamps).

  21. Selective Incorporation: Applying Bill of Rights protections to states via the Fourteenth Amendment.
    Case: McDonald v. Chicago (2010).

  22. Due Process: Fair legal treatment; includes procedural and substantive elements.

  23. 14th Amendment: Ensures equal protection and due process.

  24. Just Compensation Clause: Requires fair compensation for government takings of private property.

  25. Procedural Due Process: Ensures fair procedures when depriving rights.
    Example: Right to counsel in Gideon v. Wainwright (1963).

  26. 5th Amendment: Protects against self-incrimination and double jeopardy.

  27. Exclusionary Rule: Prohibits use of illegally obtained evidence.
    Case: Mapp v. Ohio (1961).

  28. USA Freedom Act: Reformed mass data collection programs.

  29. USA Patriot Act: Expanded surveillance after 9/11.

  30. Self-Incrimination: Protection from being forced to testify against oneself.
    Case: Miranda v. Arizona (1966).

  31. Substantive Due Process: Limits government power to interfere with fundamental rights.

  32. 9th Amendment: Declares unenumerated rights are still protected.

  33. NAACP: Civil rights organization fighting racial injustice (Brown v. Board).

  34. Nineteenth Amendment: Gave women the right to vote.

  35. Equal Pay Act: Mandated equal pay for equal work.

  36. “Don’t Ask, Don’t Tell”: Policy restricting LGBTQ+ military service, repealed in 2010.

  37. Defense of Marriage Act: Defined marriage federally; struck down by Obergefell v. Hodges (2015).

  38. Affirmative Action: Policies aimed at increasing diversity in education and employment.
    Case: Regents of the University of California v. Bakke (1978).

  39. Reverse Discrimination: Claims that affirmative action disadvantages majority groups.

  40. 13th Amendment: Abolished slavery.

  41. 15th Amendment: Prohibited voter discrimination based on race.

  42. Civil Rights Act of 1964: Outlawed public and private discrimination.

  43. Voting Rights Act of 1965: Eliminated barriers like literacy tests.

  44. Twenty-Fourth Amendment: Prohibited poll taxes.

  45. Freedom-of-choice Plans: School desegregation efforts placing burden on Black students.

  46. White Flight: White families moving to suburbs to avoid school desegregation.

  47. Majority-Minority Districts: Electoral districts ensuring minority representation.


Foundational Document
  • Letter from a Birmingham Jail: Dr. King’s defense of civil disobedience and equality; emphasized urgency of civil rights reform.


SCOTUS Cases
  1. Engel v. Vitale (1962): School prayer violated the Establishment Clause.

  2. Wisconsin v. Yoder (1972): Allowed Amish families to withdraw children from public school for religious reasons.

  3. Tinker v. Des Moines (1969): Protected students’ symbolic speech (e.g., armbands).

  4. Schenck v. U.S. (1919): Speech creating a “clear and present danger” is not protected.

  5. New York Times Co. v. U.S. (1971): Limited prior restraint even in national security cases.

  6. McDonald v. Chicago (2010): Incorporated the Second Amendment to the states.

  7. Gideon v. Wainwright (1963): Guaranteed right to counsel in state courts.

  8. Brown v. Board of Education (1954): Declared school segregation unconstitutional.


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