Final answer:
Unitary executive power is the belief that the president has broad powers in the executive branch without interference from other branches of government. It was brought up during debates at the Constitutional Convention.
Step-by-step explanation:
In the context of the United States government, unitary executive power refers to the belief that the president has broad and inherent powers in the executive branch without interference from other branches of government. This theory suggests that the president has the authority to make and implement policy decisions, control executive agencies, and exercise executive privilege. Unitary executive power was brought up during debates at the Constitutional Convention, with proponents arguing for a strong presidency and opponents expressing concerns about potential abuse of power.