AP Gov: Supreme Court Cases - The United States v. Lopez Study Guide

Who was Alfonso Lopez and where did the case take place?

A high school senior in San Antonio, Texas, who brought a .38-caliber pistol and ammunition to school.

What law did Alfonso Lopez initially break under Texas state law?

A state law prohibiting the possession of firearms on school grounds.

Why were the Texas state charges against Lopez dropped?

Federal charges were brought against him under a federal law, taking precedence over the state charges.

What federal law was at the center of United States v. Lopez?

The Gun-Free School Zones Act of 1990.

What sentence did Alfonso Lopez receive from the federal district court?

6 months in prison.

Which clause of the U.S. Constitution did Congress rely on to pass the Gun-Free School Zones Act?

The Commerce Clause (Article I, Section 8).

What is the primary function of the Commerce Clause in Article I, Section 8?

To grant Congress the authority to regulate commerce with foreign nations, among the several states, and with Indian tribes.

What argument did the United States government make regarding guns in school zones?

Gun violence impairs the learning environment, leading to a less educated populace and reduced travel, both of which negatively impact interstate commerce.

What primary constitutional argument did Lopez's legal team present?

Gun regulation on school grounds is a power reserved for the states, and the link between the Commerce Clause and guns in schools is too weak.

What was the Supreme Court's ruling in United States v. Lopez?

A 5-4 decision in favor of Alfonso Lopez, declaring the Gun-Free School Zones Act unconstitutional.

Why did the Supreme Court reject the federal government's Commerce Clause argument?

Accepting it would leave virtually no limit on federal authority, allowing Congress to regulate areas historically reserved to the states like education and local crime.

What fundamental constitutional principle did United States v. Lopez reinforce?

Federalism and the balance of power between the federal government and state governments.