Because, predominantly in the agricultural Western region of the United States, the demand for cheap labor was extremely high at the time. The source of this cheap labor were Mexican immigrants.
I believe it is building igloos
After World War I the Senate rejected the Treaty of Versailles which was mainly based on the idea that the Treaty would require the United States to join the League of Nations and may have resulted to a loss of the United States sovereignty. The treaty would also force the United States to get involved in issues that were of less relevance to the U.S. The League of Nations was created as a body to prevent future conflicts by establishing a body to settle disputes between nations and authorize action against the Nation that did not comply. Some Senate members wanted to change the Versailles Treaty, i.e., Henry Cabot Lodge but president Wilson dismissed and disliked his suggestions.
Its either lasting peace in a postwar or a starting point for negotiating a peace treaty
