Well one possible reason could be because it could ruin the land. When land focuses on the mass production of a certain crop, the land loses essential nutrients and will deteriorate overtime.
Answer:
The correct answer would be B, the cultivation of less land.
Explanation:
Cultivated land is arable land that is worked by plowing and sowing and raising crops. For example, ploughland, plowland, tillage, tilled land, tilth, and farmland. A decrease in land cultivation would result in less plowing and sowing, therefore creating a decrease in the rate of erosion.
A, the Aral Sea, which is a body of water that is shrinking so fast many are calling it "one of the planet's worst environmental disasters."