Final answer:
Presidents, governors, and mayors share the responsibility of appointing all major positions of government.
Step-by-step explanation:
A responsibility shared by presidents, governors, and mayors is: appointing all major positions of government.
Examples of major positions that might be appointed include cabinet members, judges, and agency heads. The president appoints cabinet members, federal judges, and ambassadors. Similarly, governors and mayors appoint individuals to various positions within their respective state or city governments.
Learn more about Responsibilities of Presidents, Governors, and Mayors