Final answer:
The example provided in the question illustrates the concept of seniority within the U.S. Senate. Seniority is a system where the most important posts are held by members who have served the longest.
Step-by-step explanation:
The example provided in the question illustrates the concept of seniority within the U.S. Senate. Seniority is a system where the most important posts are held by members who have served the longest. In the Senate, seniority ranking is used to determine priority for assignments to office space, committee chair positions, and seating on the senate floor. This type of authority is based on experience and longevity in government service.