The Executive department of civil servants is the group that best completes the diagram which represents the hierarchal structure of the federal bureaucracy.
What is the federal bureaucracy?
This refers to the unelected and administrative body in the Executive Branch that is arranged into departments, agencies, commissions etc.
Based on the diagram given, after the The president, Cabinet secretaries, the Executive department of civil servants is the next in line.
Therefore, the Option A is correct.
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