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"Treaty of Tripoli". Treaty of Peace and Friendship between the United States of America and the Bey and Subjects of Tripoli of Barbary signed by President John Adams (Article 11), www.huffingtonpost.com. June 10, 1797.
John Locke (1956). “The Second Treatise of Government: (An Essay Concerning the True Original, Extent and End of Civil Government), And, A Letter Concerning Toleration”, p.20, Library of Alexandria