Criticism of the Pledge of Allegiance
The Pledge of Allegiance of the United States has been criticized on several grounds. Its use in government funded schools has been the most controversial, as critics contend that a government-sanctioned endorsement of religion violates the Establishment Clause of the First Amendment to the U.S. Constitution.
Source: Wikipedia — Criticism of the Pledge of Allegiance (CC BY-SA 4.0)