The united states as a world power

America Claims an Empire

1854 - 1899
1867 - 1959
1900 - 1946
1901 - 1917

World War one starts

1907 - 1917
1917 - 1918

World War Looms

1919 - 1937
1938 - 1942
1938 - 1940
1939 - 1941

The United States In World War 2

1939 - 1942
1941 - 1945
1942 - 1945
1944 - 1990