The Dust Bowl · US History

What was the primary reason for the 'Great Plow-Up' of the 1910s and 1920s?

  1. A government mandate to destroy all native trees
  2. The discovery that prairie grass was a source of disease
  3. High wheat prices and increased demand during World War I
  4. A shortage of steel that prevented the building of fences
Show answer and explanation

Correct answer: High wheat prices and increased demand during World War I

High prices and the slogan 'Food will win the war' encouraged farmers to plow millions of acres of marginal land. This aggressive expansion ignored the long-term environmental risks of the region's climate cycles.

Difficulty: Medium Question 14 of 20

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