Which of the Following Best Illustrates the Core Principles of Scientific

Which of the following best illustrates the core principles of scientific management?

A) providing incentives to federal employees to develop programs to increase the efficiency of their agency
B) changing the structure of government to eliminate hierarchy in favor of one with less clear lines of administrative responsibility
C) using political loyalty as a basis for employment in the executive bureaucracy
D) removing the federal agencies from the direct control of the president