All the president's roles are important but for the purposes of this question, the most important is that of the Chief Executive.
As the chief executive and head of the executive branch, the President is tasked with implementing the laws made by Congress.
They do this by appointing heads of executive agencies and tasking them to enforce the laws. Without the enforcement of these laws, American society might break down which makes the role very important.
Find out more on the chief executive at https://brainly.com/question/3178499.
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