In the context of American government, the policymaking process involves various actors and institutions that influence public policy decisions. Consider the roles of Congress, the President, and the Supreme Court in shaping policy. Additionally, identify how the influence of political parties and interest groups can impact this process.
Using specific examples, explain how these actors and influences can affect the creation and implementation of public policy in the United States.
Note: The provided solution includes an example of a perfect-score answer and explanation. Your response will not be scored.