Considerable investments in agriculture have enabled China's farmers to produce high volumes of staple crops, allowing the country to achieve a roughly one-to-one ratio of production and consumption of grains.
Political cultural and economic gaps
Answer is tax base, the rest are all very important
The most important political leaders during this time were Theodore Roosevelt, Robert M. La Follette, Charles Evans Hughes, and Herbert Hoover. Some democratic leaders included William Jennings Bryan, Woodrow Wilson, and Al Smith. This movement targeted the regulations of huge monopolies and corporations.