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Nature or Us? The Human Hand in Disaster
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The American Dust Bowl of the 1930s buried farms across the Great Plains under massive dust storms. What primary human decision triggered this catastrophe?
Overgrazing of grasslands by imported cattle breeds alone
Widespread plowing that stripped native grasses, exposing topsoil to drought and wind
Damming of the Mississippi River, drying out the plains
Nuclear testing that altered regional weather patterns