In Recent Decades, the Balance of Power Within the Executive

In recent decades, the balance of power within the executive branch has shifted in favor of

A) presidential political advisers at the expense of policy experts.
B) policy experts at the expense of political advisors.
C) the federal bureaucracy at the expense of the president.
D) the federal bureaucracy at the expense of all elected political leaders.
E) the president at the expense of the federal bureaucracy.