Answer:
There were several reasons why Americans might have been hesitant to support Wilson's 14 Points after the end of World War I:
Disillusionment: The war had been a long and brutal conflict, and many Americans were disillusioned with the idea of internationalism and cooperation. The high death tolls and the brutality of the war had left many people feeling that the world was a dangerous and unpredictable place, and they were skeptical of Wilson's vision for a more peaceful and cooperative world order.
Isolationism: Many Americans were also strongly committed to the idea of isolationism, or staying out of foreign affairs. They believed that the United States should focus on its own problems and not get involved in international affairs that did not directly affect its national interests.
Partisan politics: Wilson's 14 Points were also opposed by some political groups who opposed Wilson and his administration. Some Republicans, for example, saw the 14 Points as a Democratic agenda and were opposed to supporting it.
Lack of support from allies: Finally, Wilson's 14 Points faced opposition from some of the United States' allies, who were focused on their own national interests and were not willing to support Wilson's vision for a more cooperative world order.
Overall, there were many different factors that contributed to Americans' hesitancy to support Wilson's 14 Points after the end of World War I. These factors included disillusionment, isolationism, partisan politics, and opposition from allies.