The United States as a World Power

America Claims an Empire

1867 - 1898
1895 - 1899
1899 - 1900
1901 - 1915

World War I

1907 - 1917
1917 - 1918

WWII Looms

1921 - 1939
1935 - 1942
1938 - 1940
1939 - 1941

The U.S. in World War II

1941 - 1944
1941 - 1945
1941 - 1944
1942 - 1945