Answer:C. He embarked on a railway speaking tour across the united states
Explanation:After the end of World War One, President Woodrow Wilson sought national support for his idea of a League of Nations. He took his appeal directly to the American people in the summer of nineteen nineteen.
The plan for the League of Nations was part of the peace treaty that ended World War One. By law, the United States Senate would have to vote on the treaty. President Wilson believed the Senate would have to approve it if the American people demanded it. So he went to the people for support.
