Problem: Which of the following best describes the evolution of the federal bureaucracy? Group of answer choices The size of the federal bureaucracy has remained the same over time. The size of the federal bureaucracy has ebbed and flowed over time. The size of the federal bureaucracy decreased in size until the 1960s when it began to ebb and flow with a minor increase following the attacks on September 11, 2001. The size of the federal bureaucracy increased in size until the 1960s when it began to ebb and flow with a minor increase following the attacks on September 11, 2001