Which led to dust storms during the 1930s? farmers’ financial problems crop rotation farming and drought ranching and heavy rains

The Dust Bowl, also known as the Dirty Thirties, was a period of severe dust storms that greatly damaged the ecology and agriculture of the US and Canadian prairies during the 1930s; severe drought and a failure to apply dry land farming methods to prevent wind erosion caused the phenomenon.

The correct answer would be farming and drought i hope this helps you 

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