<span>Bart's experience is a great illustration of the foot-in-the-door phenomenon. In other words, once Bart allowed himself to become involved in a minor experience of unsavory behavior, it became easier to persuade him to become involved in more serious detrimental behavior.</span>
The First Earth Day in April 1970
Because there was no EPA, no Clean Air Act, no Clean Water Act. There were no legal or regulatory mechanisms to protect our environment. In spring 1970, Senator Gaylord Nelson created Earth Day as a way to force this issue onto the national agenda
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Answer:
The process of putting a decision or plan into effect