A) U.S. v. Lopez INCORRECT This 1995 Supreme Court case addressed the limits of Congress's power under the Commerce Clause. The Court struck down the Gun-Free School Zones Act of 1990, which made it a federal crime to possess a firearm in a school zone. The ruling held that the law exceeded Congress's authority because carrying a gun in a school zone was not an economic activity that substantially affected interstate commerce. While this case involves firearms, it is about federalism and the scope of congressional power, not the Second Amendment right to bear arms. Therefore, it does not directly address the individual right to own a gun, which is the focus of the data likely presented.
B) Engel v. Vitale INCORRECT This 1962 Supreme Court case dealt with the Establishment Clause of the First Amendment. The Court ruled that it is unconstitutional for state officials to compose an official school prayer and require its recitation in public schools. The decision reinforced the separation of church and state, holding that even a nondenominational prayer violated the Establishment Clause. This case has no bearing on gun rights or the Second Amendment, making it irrelevant to the question about firearm-related data.
C) District of Columbia v. Heller CORRECT This 2008 Supreme Court case is the definitive ruling on the Second Amendment. The Court held that the Second Amendment protects an individual's right to possess a firearm for lawful purposes, such as self-defense within the home, and that this right is not limited to militia service. The decision struck down Washington, D.C.'s handgun ban and trigger lock requirement, establishing that the government cannot completely ban handgun possession in the home. This case directly addresses the core of gun rights and is the most likely focus of any data on gun ownership or gun control debates.
D) Citizens United v. Federal Election Commission INCORRECT This 2010 Supreme Court case concerned campaign finance and the First Amendment. The Court ruled that the government cannot restrict independent political expenditures by corporations, unions, and other associations, citing the freedom of speech. This decision allowed for unlimited spending in elections by outside groups, leading to the creation of Super PACs. While it is a significant First Amendment case, it has no connection to the Second Amendment or firearms, so it is not relevant to the question.
