Three judges on the U.S. 5th Circuit Court of Appeals considered arguments Thursday over a state law that requires displays of the Ten Commandments in every Louisiana public school classroom. A group of nine parents,

A law requiring the religious text to be displayed in all public classrooms was struck down by a lower court judge in November.

Should the Ten Commandments be displayed in Louisiana classrooms? The Fifth Circuit is hearing the case, with arguments on both constitutional and historical grounds. Here’s what we know.