Final answer:
Alexander the Great could be studied as an early example of how a staff organization was used to coordinate activities during military campaigns.
Step-by-step explanation:
A manager studying an early example of how a staff organization was used to coordinate activities during military campaigns could look to Alexander the Great as a relevant historical figure. After conquering Egypt in 332 BCE, Alexander established the city of Alexandria and implemented a system of government that involved a permanent staff of high-ranking officers.