Final answer:
The Executive Office of the President assists the president with day-to-day responsibilities, providing advice and support for effective governance. The EOP includes the White House Office with key roles like the chief of staff and national security advisor, evolving to meet the presidency's demands.
Step-by-step explanation:
The organization that helps the president administer the day-to-day responsibilities is known as the Executive Office of the President (EOP). The EOP provides the support needed for effective governance. Additionally, the White House Office (WHO), situated within the EOP, includes the president’s staff of advisors and assistants. Key roles within the WHO include the chief of staff, press secretary, and national security advisor, among others.
Established by President Franklin D. Roosevelt, the EOP and WHO have evolved to meet the increasing demands of the presidency. The experts and specialists in policy areas provide advice and assistance in decision-making, ensuring swift and informed responses to presidential inquiries. The structure of the WHO has remained consistent over decades, helping both to enhance and constrain the president’s power. New offices are occasionally added, signaling changes in priorities or emerging challenges.
The president’s staff can influence and sometimes complicate the administration’s agenda due to their own priorities and interest group influences. Nevertheless, the EOP's primary function is to equip the president with rapid and straightforward solutions and advisories for an array of issues, a demand that has only grown over the years.