ap-gopo-exam-cheat-sheet-required-supreme-court-cases

Supreme Court Cases Overview

McCulloch v Maryland (1819) (Federalism)

  • Key Principle: Supremacy Clause

  • Summary: This landmark case established Congress's right to utilize implied powers not explicitly mentioned in the Constitution, effectively allowing the federal government to create laws that were deemed necessary for the execution of its duties. The case arose when the state of Maryland attempted to impose a tax on the Second Bank of the United States, effectively questioning whether a state could tax a federal institution. The ruling not only reinforced federal supremacy over the states but also clarified that states are prohibited from interfering with federal institutions or activities.

  • Holding: The Supreme Court reinforced the dominance of the U.S. Constitution and federal laws over state laws, laying the groundwork for a strong central government along with a broad interpretation of federal authority, which continues to influence federalism today.

United States v Lopez (1995) (Federalism)

  • Key Principle: Commerce Clause

  • Summary: This case challenged the constitutionality of the Gun-Free School Zones Act, which made it illegal to possess a firearm in school zones. The Supreme Court found that the law exceeded Congress's authority under the Commerce Clause, marking a notable shift in how far Congress could extend its reach into personal liberties and state affairs. The Court argued that possessing a gun in a school zone had little to no effect on interstate commerce, therefore exceeding federal power.

  • Holding: The ruling established that Congress could not use the Commerce Clause to regulate gun possession in school zones, which marked a significant limitation on Congressional power and reinforced the principles of federalism.

Baker v Carr (1962) (Legislative Branch/Gerrymandering)

  • Key Principle: 14th Amendment - Equal Protection Clause

  • Summary: This case tackled the issue of legislative districting and whether federal courts had the jurisdiction to review state legislative districts. It was rooted in the principle that every person's vote should hold equal weight in a democratic system, ultimately leading to more equitable representation. The case arose in Tennessee where the state had failed to reapportion seats for over six decades, leading to significant disparities in representation.

  • Holding: The Supreme Court established the "One man, one vote" principle, paving the way for federal courts to review and reform state legislative districts to ensure compliance with equal representation under the Equal Protection Clause.

Shaw v Reno (1993) (Legislative Branch/Gerrymandering)

  • Key Principle: 14th Amendment - Equal Protection Clause

  • Summary: This case dealt with North Carolina's legislative redistricting efforts aimed at creating majority-minority districts to enhance minority representation. The Supreme Court ruled that such redistricting based predominantly on race warranted strict scrutiny under the Equal Protection Clause, thus prohibiting racial gerrymandering which could undermine the integrity of electoral districts.

  • Holding: The Court maintained that while race can be a factor in redistricting, it cannot be the predominant one, aiming to ensure fairness and prevent segregation in political representation.

Marbury v Madison (1803) (Judicial Branch)

  • Key Principle: Article III - Judicial Review

  • Summary: This pivotal case established the principle of judicial review, empowering the Supreme Court to declare acts of Congress and the executive unconstitutional. The case arose from a political battle over the last-minute appointments made by outgoing President John Adams. William Marbury sued Secretary of State James Madison for not delivering his commission as a justice of the peace.

  • Holding: The ruling indicated that it was the duty of the judiciary to ensure that no law violates the Constitution, asserting the Constitution as the supreme law of the land and balancing the powers among the branches of government.

Engle v Vitale (1962) (Civil Liberties and Civil Rights)

  • Key Principle: 1st Amendment - Establishment Clause

  • Summary: In this landmark case, the Court ruled against the practice of state-sponsored prayer in public schools, determining that it constituted an unconstitutional endorsement of religion by the government. The decision arose from a voluntary prayer encouraged by the New York Board of Regents, which was deemed to violate the Establishment Clause.

  • Holding: The Court held that public schools cannot sponsor religious activities, thereby ensuring that government entities maintain neutrality in religious affairs and uphold the separation of church and state principles.

Wisconsin v Yoder (1972) (Civil Liberties and Civil Rights)

  • Key Principle: 1st Amendment - Free Exercise Clause

  • Summary: This case involved the Amish community's refusal to send their children to public school beyond the eighth grade due to their religious beliefs. The Supreme Court sided with Yoder, asserting that the state's interest in compulsory education was outweighed by the Amish people's rights to freely exercise their religion.

  • Holding: The court ruled that mandatory schooling laws could not compel Amish children to attend school beyond eighth grade, thereby reinforcing the importance of protecting religious freedom within educational contexts.

Tinker v Des Moines (1969) (Civil Liberties and Civil Rights)

  • Key Principle: 1st Amendment - Freedom of Speech (Symbolic Speech)

  • Summary: This landmark decision reinforced students' rights to engage in symbolic speech, specifically concerning the wearing of black armbands in protest of the Vietnam War. The Court emphasized that students do not lose their constitutional rights when they enter school premises.

  • Holding: The Court ruled that schools cannot prohibit students from wearing armbands or other forms of symbolic protest, affirming the importance of free expression and allowing students to engage in political speech.

Schenck v United States (1919) (Civil Liberties and Civil Rights)

  • Key Principle: 1st Amendment - Free Speech

  • Summary: This case addressed the limits of free speech during wartime, centering on Charles Schenck's conviction for distributing pamphlets that opposed the military draft. The Supreme Court concluded that such speech may be restricted if it poses a "clear and present danger" to national security or public safety.

  • Holding: The decision established that restrictions on speech that create a clear and present danger are permissible, illustrating the balance between individual rights and societal responsibilities, especially during emergencies.

New York Times v U.S. (1971) (Civil Liberties and Civil Rights)

  • Key Principle: 1st Amendment - Freedom of Press

  • Summary: In a historic case involving the publication of the Pentagon Papers, classified documents exposing government deception during the Vietnam War, the Supreme Court ruled in favor of the New York Times. The ruling underscored the press's critical role as a check on government power and the importance of a free and independent media.

  • Holding: The government’s efforts to prevent the publication were ruled unconstitutional, thus establishing robust protections for the press against prior restraint, reinforcing the First Amendment's guarantee of a free press.

McDonald v Chicago (2010) (Selective Incorporation)

  • Key Principle: 14th Amendment - Due Process Clause, 2nd Amendment

  • Summary: This case extended the Second Amendment's right to keep and bear arms to the states, arising from challenges against Chicago's restrictive gun laws. The ruling highlighted the significance of individual rights and ensured that such rights are protected from state interference.

  • Holding: The Supreme Court ruled that states cannot infringe upon the right to bear arms for self-defense, establishing nationwide protection for gun ownership.

Gideon v Wainwright (1963) (Selective Incorporation)

  • Key Principle: 6th Amendment - Right to Counsel

  • Summary: The Supreme Court determined that the Sixth Amendment's right to counsel applies to state courts, stemming from Clarence Gideon's case where he represented himself due to the lack of legal representation. His conviction was overturned because he did not receive a fair trial.

  • Holding: States are mandated to provide attorneys for defendants unable to afford one, establishing a crucial milestone in the pursuit of fair trial rights for all citizens, regardless of socioeconomic status.

Roe v Wade (1973) (Selective Incorporation)

  • Key Principle: 14th Amendment - Due Process Clause, 9th Amendment (Implied Right to Privacy)

  • Summary: This landmark ruling recognized a woman's constitutional right to privacy concerning her pregnancy. The case ignited national debates about reproductive rights and women's autonomy over their bodies.

  • Holding: The decision protects a woman’s choice to seek an abortion during the first trimester, underscoring the importance of individual rights and personal privacy in making medical decisions.

Brown v Board of Education (1954) (Equal Protection)

  • Key Principle: 14th Amendment - Equal Protection Clause

  • Summary: This monumental case declared that racially segregated schools are unconstitutional, overturning the longstanding precedent set by Plessy v. Ferguson's "separate but equal" doctrine. The Court found that segregation inflicted psychological harm on African American children.

  • Holding: The ruling deemed segregation in public schools illegal under the Equal Protection Clause, significantly advancing the Civil Rights Movement and prompting widespread desegregation efforts across the nation.

Citizens United v F.E.C. (2010) (Campaigns)

  • Key Principle: 1st Amendment - Free Speech

  • Summary: This case revolved around the laws restricting political spending by corporations and unions. The Supreme Court ruled that independent expenditures for political communications are protected free speech under the First Amendment, fundamentally altering the campaign finance landscape.

  • Holding: The ruling struck down previous limits on independent political expenditures by corporations and unions, leading to a surge in political spending, raising concerns about the influence of money in politics.

Mapp v. Ohio (1961) (Selective Incorporation)

  • Key Principle: Exclusionary Rule - 4th Amendment

  • Summary: This case extended the exclusionary rule to state courts, holding that evidence obtained through illegal searches and seizures cannot be utilized in state court proceedings. The ruling fortified protections under the Fourth Amendment.

  • Holding: The Court incorporated the Fourth Amendment’s safeguards against unreasonable searches and seizures to the states via the Fourteenth Amendment’s Due Process Clause, ensuring that unlawfully obtained evidence is excluded from both federal and state trials.

Griswold v. Connecticut (1965) (Civil Liberties and Civil Rights)

  • Key Principle: Right to Privacy - Implied in 9th Amendment

  • Summary: This case involved a Connecticut law that banned the use of contraceptives. The Supreme Court ruled the law unconstitutional, establishing a broader right to privacy through the interpretation of various amendments that protect personal autonomy, particularly in marital relations.

  • Holding: The ruling established the constitutional right to privacy, especially in marital decisions, through interpretations of the First, Third, Fourth, Fifth, and Ninth Amendments, laying groundwork for future reproductive rights cases.

Miranda v. Arizona (1966)(Civil Liberties and Civil Rights)

  • Key Principles: Self-Incrimination and Due Process - 5th and 6th Amendments

  • Summary: This case mandated that law enforcement officials inform suspects of their rights before interrogation. The Supreme Court ruled that failure to do so made any statements or confessions obtained inadmissible in court, emphasizing the importance of protecting suspect rights during legal proceedings.

  • Holding: The Court established the "Miranda Rights," requiring law enforcement to inform individuals of their rights to remain silent and to have an attorney present during questioning, thereby safeguarding suspects against self-incrimination.

New Jersey v. T.L.O (1985) (Civil Liberties and Civil Rights)

  • Key Principles: Fourth Amendment - Search and Seizures in Schools

  • Summary: This case considered the balance between students' privacy rights and the authority of school officials to conduct searches. The Court concluded that school officials do not need a warrant or probable cause; they only require reasonable suspicion to perform searches on students.

  • Holding: The ruling indicated that schools are permitted to carry out warrantless searches based on reasonable suspicion, thereby limiting the Fourth Amendment protections typically available to individuals in non-school settings.

Texas v. Johnson (1989) (Civil Liberties and Civil Rights)

  • Key Principles: First Amendment - Freedom of Speech

  • Summary: This case affirmed that burning the American flag is a protected form of symbolic speech under the First Amendment. The Supreme Court ruled that the government cannot restrict expression merely because it is considered offensive or unpopular.

  • Holding: The Court's decision reaffirmed that the act of flag burning constitutes a form of political expression deserving Constitutional protection, striking down laws that prohibited flag desecration