All of the following contributed to the Dust Bowl of the 1930’s EXCEPT a- dry-farming techniques
b-farmers failure to use crop rotation
c-farmers failure to use steam tractor
d-drought and soil erosion

C or

Explanation: I have had a similar questoin to this. I used process of a elimatoin

I know a and d are both right answeres ao it must be b or c

I looked it up and be is true so it must be c

answer: (fluidity)is the correct answer.

explanation: because of this characteristic, success on the battlefield depends in large part on the ability to adapt to proactively change events to our advantage as well as to react quickly to constantly changing conditions

hello, your actual correct answer is c. taxes.

factories are actually the second biggest but on your optian list its taxes.