In what ways did the Progressive presidents promote the expansion of American power overseas? 2. How did the United States get involved in World War I? 3. How did the United States mobilize resources and public opinion for the war effort? 4. How did the war affect race relations in the United States? 5. Why was 1919 such a watershed year for the United States and the world? Please answer these questions by writing one paragraph for each question. Each paragraph should be at least five sentences long. T your response in the text box