1900-1920 By JeffLink 1900 Gold Standard 1901 Roosevelt becomes president 1904 Roosevelt Corollary 1904 Construction on the Panama Canal begins 1912 Woodrow Wilson becomes president 1914 WWI begins 1915 Sinking of the Lusitania 1915 Return of the KKK 1916 Sussex Pledge 1917 Russian Revolution 1917 U.S enters WWI 1918 Treaty of Versailles 1920 Women gain the right to vote