Excessive blood loss. 1  Blood loss from the gastrointestinal (GI) tract is the most common cause of IDA in adult men and postmenopausal women. 2  Blood loss due to menorrhagia is the most common cause of iron deficiency in pre-menopausal women.
The Monroe Doctrine is the best known U.S. policy toward the Western Hemisphere. Buried in a routine annual message delivered to Congress by President James Monroe in December 1823, the doctrine warns European nations that the United States would not tolerate further colonization or puppet monarchs.
George Washington had warned against âentangling alliances,â and part of the Monroe Doctrine declared that the United States would stay out of European affairs. Yet the State Department, under President Wilsonâs direction, became deeply involved in European affairs prior to U.S. entry into World War I.