The main power of the executive branch is to enforce and implement the laws of the United States. This power is vested in the President, who acts as the head of state and Commander-in-Chief of the armed forces. The President is responsible for ensuring that laws passed by Congress are faithfully executed, appointing heads of federal agencies, issuing executive orders to direct the operations of the executive branch, negotiating treaties (subject to Senate ratification), and conducting diplomacy with other nations
. Additionally, the President has the power to sign or veto legislation, grant pardons for federal offenses (except in cases of impeachment), and manage the federal government's day-to-day administration through the Cabinet and federal agencies
. In summary, the executive branch's main power lies in the enforcement and administration of federal laws, directing national policy, and managing foreign affairs under the leadership of the President