""The Monroe Doctrine: An Obsolete Shibboleth"" is a book written by Hiram Bingham that explores the history and relevance of the Monroe Doctrine. The Monroe Doctrine is a foreign policy principle that was introduced by President James Monroe in 1823, which stated that any intervention by European powers in the affairs of the Americas would be considered a hostile act towards the United States. Bingham argues that the Monroe Doctrine is no longer...