The purpose of the office of the president is to run the government. sign or veto pending legislation. nominate or appoint officials. advise the president on education.

First Option i.e to help run the government is most appropriate.

The purpose of the office of the president was created by Roosevelt in order to help the president to govern effectively. The office mostly have the closest advisers of  the President. There are various important councils which exist within the Office of the President. Some important councils include :

ask google there you might be able to find an answer for the question you're trying to ask

the big stick policy was to still look powerful, and be nice at the same time. the big stick policy was also to countries who were at war, find peace with eachother.

the dollar diplomacy was to expand american business and get it to latin america, for that would be good for the economy.

you my friend, your regards.

agubaba khaleekha.