What does the executive office of the president do for the president of the united states?

The executive office of the president does for the president of the united states:

To raise the president's message towards the fellow citizens of the country to promote the country's trade in foreign countries.

Explanation:

The main job of the Executive office of the president is to support the president in his daily work by providing support through various agencies that work in a different sector to promote the country's interest.

The executive office of the white house is overseen by the chief of staff of the white house which is appointed by the president.

After the increase of workload and technology the executive office of the president also increased in size now, it almost consists of 4000 positions, which most even do not require a confirmation from senates.

The executive office of the president consists of several agencies followings:

the rebels’ chances of victory at lexington & concord were fairly slim, given the fact that most of them very untrained and they were up against the world's greatest military force.  

i believe that the answer to the question provided above is that the role of campaign committees is to act as a bridge between state and local campaigns.