The foreign policy of the Theodore Roosevelt administration covers American foreign policy from 1901 to 1909, with attention to the main diplomatic and military issues, as well as topics such as immigration restriction and trade policy. For the administration as a whole see Presidency of Theodore Roosevelt. In foreign policy, he focused on Central America where he began construction of the Panama Canal. He modernized the U.S. Army and expanded the Navy. He sent the Great White Fleet on a world tour to project American naval power. Roosevelt was determined to continue the expansion of U.S. influence begun under President William McKinley (1897–1901). Roosevelt presided over a rapprochement with the Great Britain. He promulgated the Roosevelt Corollary, which held that the United States woul