What lessons can be drawn from the conversion of the countryside in the USA from a bread basket to a dust bowl?

Following lessons can be drawn from the conversion of the countryside in the USA from a bread basket to a dust bowl:

(i) We learn to appreciate the need for maintaining ecological balance. If we destroy the natural resources blindly, ultimately, all human existence will be in jeopardy. Man must respect the environment.
(ii) When wheat cultivation had expanded in the early nineteenth century, zealous farmers had recklessly uprooted all vegetation. They turned the soil cover and broken the soil into dust. The whole region had become a dust bowl. The American dream of a land of plenty had turned into a nightmare.
(iii) The settlers had thought that they could conquer the entire landscape, turn all and over to growing crops that could yield profits. After the 1930s, they realized that they had to respect the ecological conditions of each region.
We draw the lesson to conserve and protect the environment. We have to co-exist with nature.