Answer :
Final answer:
These events in US environmental policy should be ordered: D (1930s), A (1935), C (1960s), B (1970), E (1972). This timeline illustrates key responses to environmental challenges in the US.
Explanation:
The ordering of these events in the history of United States environmental policy would be: D. widespread crop disasters in the United States - this happened during the Dust Bowl of 1930s, which led to A. the adoption of policies to encourage soil conservation in 1935. Next was C. widespread public complaint about pollution which was most noticeable in the 1960s alongside the burgeoning environmental movement.
This led to B. the creation of the Environmental Protection Agency in 1970, followed by E. the enforcement of the Clean Air Act and the Clean Water Act which were both in effect by the end of 1972. This timeline gives a brief outline of some of the key responses of United States policy-making to environmental challenges.
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