Final answer:
The subject of this question is the Presidential Cabinet, which includes the heads of executive departments and advises the president on policy matters. It was first used by George Washington.
Step-by-step explanation:
The subject of this question is the Presidential Cabinet. The Presidential Cabinet consists of the heads of executive departments, and it is formed to advise the president on policy matters. George Washington was the first president to use the Presidential Cabinet as a means of governance.
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