According to Change Competency: Michael Ward's Reflections on CSX's One Plan Redesign,what did Michael do upon becoming CEO:

A) wrote a personal mission statement
B) gave raises to all employees who had been with the company for more than 15 years
C) outlined core values for the company
D) rehired recently laid off employees

Core Values

Core values are the fundamental beliefs or guiding principles that dictate behavior and action for individuals or organizations, helping to shape culture and identity.

CEO

Chief Executive Officer; the highest-ranking executive in a company, responsible for making major corporate decisions, managing the overall operations and resources.