Ultimately, how did President Woodrow Wilson contribute to the failure of the treaty to pass in the Senate?

The United States joining the League of Nations which was an implemented idea of Wilson's into the Treaty of Versailles. The United States would never be apart of the League of Nations to stay out of foreign conflicts like World War 2.

Ultimately, how did President Wilson contribute to the failure of the Treaty of Versailles to pass in the Senate? A. He demanded compromise, and his harsh actions offended Congress. ... He was disliked by Republicans, so they refused to vote for the treaty in any form.

To be honest i thinks its between the first answer and the third answer