Which chapter of the guide focuses on the impact of ethical behavior?

The correct choice is Chapter 4 because it specifically addresses the significance of ethical behavior within the context of leadership and decision-making. This chapter emphasizes how ethical conduct influences not only individual actions but also team dynamics and organizational culture. By outlining the principles of integrity, accountability, and moral responsibility, Chapter 4 provides a framework for NCOs to understand the importance of ethical behavior in military service, ultimately shaping the trust and cohesion necessary for effective leadership. This focus on ethics also highlights the consequences of ethical and unethical behavior, making clear how it can impact mission success and the welfare of personnel.