In 1823 President James Monroe (1758–1831) declared that the United States would allow no European power to extend its territorial reach throughout the Western Hemisphere. All that this country desires is to see the neighboring countries stable, orderly, and prosperous.
Based on the alternatives that were provided on the comments, the correc alternative is: separation of church and state.
The Engel v. Vitale case ruled to be unconstitutional for state officials to create school prayer or recitations in public schools because it violated the Establishment Clause in the First Amendment to the US Constitution.
