I'm not sure what your word choice is, but the economy during the 1920s was "good". Prior to the Depression, the economy was stable and business investments were increasing.
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.
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The increase in agricultural production and technological advancements during the Agricultural Revolution contributed to unprecedented population growth and new agricultural practices, triggering such phenomena as rural-to-urban migration, development of a coherent and loosely regulated agricultural market.
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