Final answer:
The United States experienced various trends and challenges in the aftermath of World War I, including a desire for a return to normalcy and disillusionment with the war. The development of institutions like the League of Nations represented the belief in building a better future.
Step-by-step explanation:
The United States in the aftermath of World War I experienced various trends and challenges. The war had taken a toll on both soldiers and civilians, leading to emotional distress and physical injuries. There was a desire for a return to normalcy, which resulted in the development of three trends in American society, both in rural and urban areas. These trends included disillusionment with the horrors of war and the belief in building a better future through institutions like the League of Nations. However, the reality did not meet the ideal, as the United States faced various challenges at home.