Why were the peoples of Europe so eager to believe that peace was possible through such acts as the Kellogg-Briand pact and the agreements at Locarno? What was wrong with such ideas?Discuss

Paper details:

Why were the peoples of Europe so eager to believe that peace was possible through such acts as the Kellogg-Briand pact and the agreements at Locarno? What was wrong with such ideas?
*underline thesis statement.