What human factor most contributed to the creation of the Dust Bowl?(2 points)

Responses

Lack of knowledge on the appropriate farming practices for the region.
Lack of knowledge on the appropriate farming practices for the region.

Removing native grasses with little regard for the effect it would have
Removing native grasses with little regard for the effect it would have

Excessive livestock production stripped the ground of nutrients.
Excessive livestock production stripped the ground of nutrients.

Overfarming due to WW2.
Overfarming due to WW2.

Lack of knowledge on the appropriate farming practices for the region and removing native grasses with little regard for the effect it would have are the two human factors that most contributed to the creation of the Dust Bowl.