What question?
<<<<<<<<<<<<<<
Answer:
Option C.
Explanation:
The Office of Personnel Management (OPM), is the right answer.
The Office of Personnel Management is an autonomous bureau in the federal government of the United States. This agency is responsible for the management of the civil workforce of the government. The main function of the agency is to provide federal human resources strategy, overlook and support and favors to healthcare and life insurance and benefits associated with retirement for the employees of the federal government. The main goal of this agency is to recruit, retain and honor a world-class team to serve the people of America.
They work to guarantying welfare in a diverse section of society. ...
They are credited for generating awareness in the society relating to health diseases or any upcoming government policies on their benefits or harmfulness.
A: is possible, but it is not the answer.
B: They might have, but again this is really not the answer.
C: Here's the actual meaning of tribute. It's a politically correct way of saying Athens demanded payment for being a "protector."
D: The might have, but C is still the answer.
The moutains helped the ostrogoths