这些发展被大萧条恶化了，它始于1929年，一直延续到20世纪30年代。1929年，在赫伯特·胡佛总统的领导下，联邦农业委员会成立了。

These developments were made worse by the Great Depression, which began in 1929 and extended throughout the 1930s. In 1929, under President Herbert Hoover, the Federal Farm Board was organized.

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它悬挂在总统办公室的外面。

It hung outside the Oval Office.

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对它的热爱最终促使他成为美国总统。

The love for it finally led him to become President of the United States.

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对它的热爱最终促使他成为美国总统。

The love for it finally led him to become President of the United States.

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