This is about the US in world affairs during the late 1800s and early 1900s

During the late 1800s and the early 1900s, the US became much more involved in world affairs. In other words, they were becoming a world power. This meant many things, many changes. In the 1880s, the US was still known as a minor county, a nation known to play only a small role in world affairs. Before the start of intervening in other nations, the US had followed a policy of isolationism, or having little …

…defeating the treaty. Henry Cabot Lodge, a Republican, and chairman of the powerful Senate Foreign Relations Committee, wanted to change article 10 of the treaty. This point called for the League to protect any member whose independence or territory was threatened. Lodge opposed this since he thought it would lead to US involvement in future European wars. Wilson refused to compromise however. In the end, the US did not sign the peace treaty with Germany until 1921.