Respuesta :
					                   The answer is C.) Poor farming techniques that killed the soil were combined with drought. That's a easy one. 
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					             -Your welcome ;)
Answer;
C. Poor farming techniques that killed the soil were combined with drought.
Explanation;
-The Dust Bowl was caused by several economic and agricultural factors, including federal land policies, changes in regional weather, farm economics and other cultural factors.
-After the Civil War, a series of federal land acts coaxed pioneers westward by incentivizing farming in the Great Plains.
 
			                  