The United States was founded on ecumenical biblical principles, and the Ten Commandments embody that ecumenicism.

A Ten Commandments poster is seen with boxes of others before they were delivered to local public schools in New Braunfels, Texas, on Monday, Nov. 17, 2025. A federal appeals court appears open to reviving blocked Ten Commandments school laws in Louisiana and Texas.

The U.S. Fifth Circuit Court of Appeals will hear arguments Tuesday about the constitutionality of Texas and Louisiana's Ten Commandments display laws.

In 2022, the Supreme Court largely abandoned the three-part Lemon Test, used to determine whether a law or governmental action violated the separation of church and state clause in the Constitution. It was set in place by the 1971 Supreme Court case Lemon v. Kurtzman.