The correct answer to this open question is the following.
Although there are no options attached we can comment on the following.
The Executive Office of the President is important to the President of the United States because it supports and advises the president.
Some journalists and historians think that the Executive Office of the President increases the size and power of the presidency. This is a legitimate observation in that is questioning the powers that the President has had in recent years to make decisions and sometimes to override decisions emanated from Congress.
The President of the US has so much power. He is the leader of the nation, the chief of the Cabinet, the chief diplomat of the US, and the commander-in-chief of the Armed Forces.