C) a poem that tells a story
I believe that they used higher tec on the dry soil, it became a problem where the air had so much dirt in it that the dust bowl hapend. this is what i learned, hopefully this helps
During President Dwight Eisenhower's administration, he came up with the Domino Theory which said that if one nation in the Pacific falls to Communism, so will the rest of Southeast Asia. President John Kennedy agreed with this theory which led to the major actions that he took against the Vietnamese in the early 1960's.