What chief executive role was the president fulfilling after September 11th, 2001 and how
he United States Constitution outlines several of the president's roles and powers, while other roles have developed over time. The presidential roles expressly defined, or enumerated, in the Constitution include those of Commander-in-Chief, Chief Executive, Head of State, Chief Diplomat, and Legislator. Article II, Section 2 of the Constitution defines the president's role and powers as Commander-in-Chief. In this role, the president controls the United States military by working through the Department of Defense. Originally called the Department of War, this department was established by the first Congress to advise the president on military matters. Members of the Department of Defense include the secretary of defense, who is also a Cabinet member, as well as the Joint Chiefs of Staff, who are the leaders of each branch of the military. These people and their respective staffs are responsible for giving the president advice in his role as Commander-in-Chief. In addition to working with the Department of Defense, the president also works closely with the House and Senate committees on armed services and the appropriation committees that designate funding for the military. These groups help determine military expenditures and defense policy for the United States. Although the Constitution gives military control to the president, this power is shared with Congress. Congress has the power of appropriations and to declare war. Congress last used its power to declare war in 1941, when it approved the United States' involvement in World War II. In 1973, after many years of escalating American involvement in the Vietnam War, Congress passed the War Powers Resolution. The war, which did not enjoy broad popular support, had grown when successive administrations committed more and more troops and equipment to it. The War Powers Resolution stipulates that a president must get Congressional approval if he wants to commit troops on an emergency basis, even for a limited time. Whether or not the president abides by the War Powers Resolution is a political decision. While every president has claimed that the resolution is unconstitutional, it has proven to be politically more efficient to go along with it than to challenge it. Occasionally, the president appeals to the public to prompt Congress to give him powers to conduct war when he sees fit. Public fear of the spread of Communism helped President Truman garner congressional support for the United States' involvement in the Korean War, which lasted from 1950 to 1953. Fear of Communism also played a role in the passage of the Tonkin Gulf Resolution, which authorized United States military involvement in the Vietnam War. President Lyndon Johnson urged passage of this resolution in August 1964 after a supposed North Vietnamese attack on U.S. destroyers located in the Gulf of Tonkin. Similarly, in 2002, Congress passed and President George W. Bush signed the Iraq Resolution, authorizing use of military force in Iraq. As Commander-in-Chief, the president also exercises power over military leaders to ensure that national security goals are met. For example, President Truman removed General MacArthur as the Supreme Commander of Allied Powers during the Korean War when MacArthur overstepped his powers and threatened China with nuclear weapons. Another presidential role, that of Chief Executive, is principally defined in Article II, Sections 1 and 3 of the Constitution. As Chief Executive, the president is the champion of the United States Constitution. He is sworn to uphold and defend its laws, as well as to make sure those laws are executed.
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