A student researching the Dust Bowl has taken notes:
• The Dust Bowl occurred in the 1930s American Great Plains • Drought combined with poor farming practices caused severe soil erosion • Massive dust storms darkened skies and buried farms • Hundreds of thousands of people migrated west to escape • The disaster led to new soil conservation policies
The student wants to explain the causes of the Dust Bowl.
The Dust Bowl occurred in the American Great Plains during the 1930s.
Massive dust storms during the Dust Bowl darkened skies and buried entire farms.
The Dust Bowl was caused by prolonged drought combined with poor farming practices that left soil vulnerable to severe erosion.
Hundreds of thousands of people migrated west to escape the Dust Bowl conditions.
Correct Answer: C
Choice C. Drought plus poor farming practices explains the causes.