Which best explains how the structure of the office of the president fulfill the office’s role?
a) the office is led by the chief of staff, who serves as a key adviser to the president.
b) the office has multiple levels of staff and advisers who the president in many areas.
c) the office is led by the vice president, who serves as a key adviser to the president.
d) the office has a single level of staff and advisers who the president in many areas.

B. The office has multiple levels of staff and advisers who help the president in many areas

Explanation:

hello! my name is zalgo and i am here to you out on this amazing day. the second president of the united states would be john adams. born october 30th, 1735 in braintree, ma. died july 4th, 1826 at the age of 90 in quincy, ma.

i hope that this ! : p

"stay and stay proud! " - zalgo

(by the way, can you mind marking me as brainliest? i' greatly appreciate it! you! )

it affected it because the kingdoms (with trade) slowly got richer and richer.