1. Read Chapters 23–25 in your textbook. Use the links below to access the chapters https://www109.zippyshare.com/v/AFQAvILq/file.htmlhttps://www109.zippyshare.com/v/he1XY91e/file.htmlhttps://www109.zippyshare.com/v/BoWo5Lqm/file.html2. Navigate to the Discussion page and respond to the following (type the questions [a,b, c] and answer each in a separate paragraph):a. How did the United States contribute to the Allies’ victory in World War I? What was the most significant of President Wilson’s Fourteen Points at the Versailles Peace Conference? Why did the United States Senate reject the Versailles treaty and the idea of a League of Nations? b. Explain the meaning of the phrase “Return to Normalcy.” After the war, was it possible for the nation to turn back the clock or had World War I permanently changed American culture? c. What were the causes of the Great Depression? Identify the similarities and the differences between the responses of the Hoover and Roosevelt administrations.