In the 1930s, what happened to large portions of land in the United States, causing people to go hungry? A glacier moved across the central states, leaving behind ruined crops.
There wasn’t enough water for crops after extreme heat caused many of the nation’s rivers to run dry.
Wind eroded much-needed top soil from overworked farmlands, causing a widespread “dust bowl.”
The Colorado River carved up farm lands and formed the Grand Canyon.

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