The person in question is Woodrow Wilson:
He was the president of the United States from 1913 to 1921, which means that he was the president before, during and after the First World War.
He was very active in the peace process after the war, including proposing the formation of the League of Nations.
Some people where for it while other thought that it was a wast of time people back then didn't want Americans to loos people over silly disputes
