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National Security Law is a field of study that deals with the balance between liberty and security in American society.
The United States Constitution grants extensive national security powers to both Congress and the President of the United States. Article I grants Congress authority to "declare War, grant Letters of Marque and Reprisal, and make Rules concerning Captures on Land and Water." Congress is also empowered to "raise and support Armies," and "provide and maintain a Navy." Article II designates the President as the "Commander in Chief".
International law can have a domestic effect when incorporated by the Supremacy Clause of the Constitution. Additional fields of international law such as the right to wage war (jus ad bellum) and law of armed conflict/international humanitarian law (jus in bello) also affect this field of study.
Various statutes are applicable in the national security law field including, but not limited to:
There are a litany of Supreme Court and lower court cases which affect national security law. The landmark case that deals with separation of powers between Congress and the President is Youngstown Sheet & Tube Co. v. Sawyer, 343 U.S. 579 (1952), also commonly referred to as The Steel Seizure Case, in which the United States Supreme Court limited the power of the President of the United States to seize private property in the absence of either specifically enumerated authority under Article Two of the United States Constitution or statutory authority conferred on him by Congress. It was a "stinging rebuff" to President Harry Truman. [1]
Justice Jackson's concurring opinion is often quoted as it divided Presidential authority vis-à-vis Congress into three categories (in descending order of legitimacy):
McCulloch v. Maryland, 17 U.S. 316 (1819), was a landmark U.S. Supreme Court decision that defined the scope of the U.S. Congress's legislative power and how it relates to the powers of American state legislatures. The dispute in McCulloch involved the legality of the national bank and a tax that the state of Maryland imposed on it. In its ruling, the Supreme Court established firstly that the "Necessary and Proper" Clause of the U.S. Constitution gives the U.S. federal government certain implied powers necessary and proper for the exercise of the powers enumerated explicitly in the Constitution, and secondly that the American federal government is supreme over the states, and so states' ability to interfere with the federal government is restricted. Since the legislature has the authority to tax and spend, the court held that it therefore has authority to establish a national bank, as being "necessary and proper" to that end.
The federal government of the United States is the national government of the United States, a federal republic located primarily in North America, composed of 50 states, five major self-governing territories, several island possessions, and the federal district and national capital of Washington, D.C., where most of the federal government is based.
United States v. Butler, 297 U.S. 1 (1936), is a U.S. Supreme Court case that held that the U.S. Congress has not only the power to lay taxes to the level necessary to carry out its other powers enumerated in Article I of the U.S. Constitution, but also a broad authority to tax and spend for the "general welfare" of the United States. The decision itself concerned whether the processing taxes instituted by the 1933 Agricultural Adjustment Act were constitutional.
Ex parte McCardle, 74 U.S. 506 (1869), is a United States Supreme Court decision that examines the extent of the jurisdiction of the Supreme Court to review decisions of lower courts under federal statutory law.
The Necessary and Proper Clause, also known as the Elastic Clause, is a clause in Article I, Section 8 of the United States Constitution:
The Congress shall have Power... To make all Laws which shall be necessary and proper for carrying into Execution the foregoing Powers, and all other Powers vested by this Constitution in the Government of the United States, or in any Department or Officer thereof.
The doctrine of nondelegation is the theory that one branch of government must not authorize another entity to exercise the power or function which it is constitutionally authorized to exercise itself. It is explicit or implicit in all written constitutions that impose a strict structural separation of powers. It is usually applied in questions of constitutionally improper delegations of powers of any of the three branches of government to either of the other, to the administrative state, or to private entities. Although it is usually constitutional for executive officials to delegate executive powers to executive branch subordinates, there can also be improper delegations of powers within an executive branch.
The Preamble to the United States Constitution, beginning with the words We the People, is a brief introductory statement of the US Constitution's fundamental purposes and guiding principles. Courts have referred to it as reliable evidence of the Founding Fathers' intentions regarding the Constitution's meaning and what they hoped the Constitution would achieve.
Separation of powers is a political doctrine originating in the writings of Charles de Secondat, Baron de Montesquieu in The Spirit of the Laws, in which he argued for a constitutional government with three separate branches, each of which would have defined abilities to check the powers of the others. This philosophy heavily influenced the drafting of the United States Constitution, according to which the Legislative, Executive, and Judicial branches of the United States government are kept distinct in order to prevent abuse of power. The American form of separation of powers is associated with a system of checks and balances.
Clinton v. City of New York, 524 U.S. 417 (1998), was a landmark decision by the Supreme Court of the United States in which the Court held, 6–3, that the line-item veto, as granted in the Line Item Veto Act of 1996, violated the Presentment Clause of the United States Constitution because it impermissibly gave the President of the United States the power to unilaterally amend or repeal parts of statutes that had been duly passed by the United States Congress. Justice John Paul Stevens wrote for the six-justice majority that the line-item veto gave the President power over legislation unintended by the Constitution, and was therefore an overstep in their duties.
United States v. Curtiss-Wright Export Corp., 299 U.S. 304 (1936), was a decision of the United States Supreme Court concerning the foreign affairs powers of the president of the United States. It held that the President, as the nation's "sole organ" in international relations, was therefore innately vested with significant powers over foreign affairs, far exceeding those permitted in domestic matters or accorded to the U.S. Congress. The Court's majority reasoned that although the U.S. Constitution does not explicitly provide for such authority, the powers are implicit in the President's constitutional role as commander-in-chief and head of the executive branch.
Youngstown Sheet & Tube Co. v. Sawyer, 343 U.S. 579 (1952), also commonly referred to as the Steel Seizure Case or the Youngstown Steel case, was a landmark United States Supreme Court decision that limited the power of the President of the United States to seize private property. The case served as a check on the most far-reaching claims of executive power at the time and signaled the Court's increased willingness to intervene in political questions.
The powers of the president of the United States include those explicitly granted by Article II of the United States Constitution as well as those granted by Acts of Congress, implied powers, and also a great deal of soft power that is attached to the presidency.
The enumerated powers of the United States Congress are the powers granted to the federal government of the United States by the United States Constitution. Most of these powers are listed in Article I, Section 8.
A plenary power or plenary authority is a complete and absolute power to take action on a particular issue, with no limitations. It is derived from the Latin term plenus ("full").
Steward Machine Company v. Davis, 301 U.S. 548 (1937), was a case in which the U.S. Supreme Court upheld the unemployment compensation provisions of the Social Security Act of 1935, which established the federal taxing structure that was designed to induce states to adopt laws for funding and payment of unemployment compensation. The decision signaled the Court's acceptance of a broad interpretation of Congressional power to influence state laws.
Plaut v. Spendthrift Farm, Inc., 514 U.S. 211 (1995), was a landmark case about separation of powers in which the Supreme Court of the United States held that Congress may not retroactively require federal courts to reopen final judgments. Writing for the Court, Justice Scalia asserted that such action amounted to an unauthorized encroachment by Congress upon the powers of the judiciary and therefore violated the constitutional principle of separation of powers.
The Treaty Clause of the United States Constitution establishes the procedure for ratifying international agreements. It empowers the President as the primary negotiator of agreements between the United States and other countries, and holds that the advice and consent of a two-thirds supermajority of the Senate renders a treaty binding with the force of federal law.
United States v. Locke, 529 U.S. 89 (2000), was a United States Supreme Court case in which the Court unanimously held that certain state regulations regarding oil tankers and oil barges are preempted under the Supremacy Clause of the United States Constitution in deference to the extensive body of federal regulations affecting these classes of vessels.
Powers of the United States Congress are implemented by the United States Constitution, defined by rulings of the Supreme Court, and by its own efforts and by other factors such as history and custom. It is the chief legislative body of the United States. Some powers are explicitly defined by the Constitution and are called enumerated powers; others have been assumed to exist and are called implied powers.
The constitutional law of the United States is the body of law governing the interpretation and implementation of the United States Constitution. The subject concerns the scope of power of the United States federal government compared to the individual states and the fundamental rights of individuals. The ultimate authority upon the interpretation of the Constitution and the constitutionality of statutes, state and federal, lies with the Supreme Court of the United States.
