American Imperialism By itsashley12389 Period: Jan 13, 1850 to Jan 13, 1915 American Imperialism Jan 13, 1854 Japan opens ports to American ships Jan 13, 1867 Seward buys Alaska and the midway islands from russia Jan 13, 1898 Spanish American War begins Jan 13, 1898 Hawaii becomes United States territory Jan 13, 1898 Us gains Puerto Rico, the Philippines, and Guam Jan 13, 1900 Hay propses Open Door Policy Jan 13, 1901 Boxer Rebellion Jan 13, 1914 Panama Canal completed Jan 16, 1914 Panama Canal opens Jan 16, 1916 President Wilson orders troops into Mexico to capture Pancho Villa
