The group of presidential advisors, known as secretaries and heads of the 15
executive departments, is the
The Cabinet
.
.
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It cause the captives to respect them and controlling them was easy
The US Constitution set up a system of government with three co-equal branches of government. Each branch of government is responsible for different matters, which is known as the Separation of Powers, and is held responsible to each other with a system of interlocking responsibilities and obligations, better known as checks and balances.
The end result is a system where no branch should stand above the other branches and where each branch is responsible for their own set of responsibilities.