-in 1898, the U.S. joins in the Age of Imperialism with the Spanish-American War. It successfully ends Spanish occupation of Cuba and the Philippines...
-Between 1867 - 1912, Alaska, Hawaii, Puerto Rico, Guam, and the Tutuila Islands in the Pacific become U.S. territories...
-McKinley wants an "Open Door" policy for U.S. trade with China - giving the U.S., Japan and European nations "spheres of influence" in China.
-President Theodore Roosevelt's terms of office from 1901 - 1908: Progressive Reform, national parks and conservation of land, builds up U.S. Navy, Panama Canal, Roosevelt Corollary to the Monroe Doctrine, "Walk softly, but carry a big stick" approach to foreign policy...
-President Woodrow Wilson wins the election of 1912...
-The Russian Revolution and the first "Red Scare" in U.S. history...
-The world and the U.S. move closer to World War I (then known as "The Great War" - because of its scope and size and horrific modes of modern warfare.)