The wars were conducted by executive order, including the Kosovo War in 1999, during The second term of President Bill Clinton; but all these wars also had congressional resolutions. The extent to which the president is allowed to exercise military power independently of Congress and the scope of the resolution of warring powers remain unresolved constitutional issues, but all presidents have complied with their conditions since the resolution was passed, saying they are not bound by the Constitution. Until the early 1900s, executive orders were mostly unannounced and undocumented and were only seen by the agencies to which they were addressed. This changed when the U.S. State Department introduced a numbering system in 1907 that began retroactively with U.S. Executive Order 1, promulgated by President Lincoln on October 20, 1862.  The documents, which later became known as “executive orders,” apparently received their name from lincoln`s Executive Order Establishing a Provisional Court in Louisiana.  This court operated during the military occupation of Louisiana during the American Civil War, and Lincoln also used Executive Order 1 to appoint Charles A. Peabody judge and determine the salaries of court officers.  The U.S. Supreme Court has ruled that all executive orders of the President of the United States must be supported by the Constitution, whether from a clause granting some power or by Congress that delegates them to the executive branch.
 In particular, these ordinances must be rooted in Article II of the U.S. Constitution or be adopted by Congress in statutes. Attempts to block such injunctions were successful at a time when such injunctions exceeded the authority of the President or could be better dealt with by law.  The U.S. Constitution does not expressly give a president the power to enter into executive agreements. However, it may be authorized to do so by Congress or may do so on the basis of its foreign relations management authority. Despite questions about the constitutionality of executive agreements, the Supreme Court ruled in 1937 that they had the same force as treaties. As executive agreements are made on the authority of the president-in-office, they do not necessarily bind his successors. Two extreme examples of an executive order are Roosevelt`s Executive Order 6102, “which prohibits the accumulation of gold coins, gold bars and gold certificates within the continental United States,” and Executive Order 9066, which delegated military authority to or all inhabitants of a military zone (used in some areas for Japanese Americans, Non-citizens Germans and Italians without nationals). The order was then delegated to General John L. DeWitt and then paved the way for all Japanese on the West Coast to be sent to internment camps for the duration of World War II.
The first executive order was issued by Washington on June 8, 1789; Addressing the heads of federal departments, she asked them to “impress me with a comprehensive, precise and unambiguous general vision of U.S. affairs” in their areas.  Belmont and Pink were strengthened in american ins. Ass v. Garamendi.497 Assuming that the Victim Insurance Relief Act in California was anticipated as interference with the federal government`s conduct in foreign relations, as required by the executive agreements, the Court stated that “valid executive agreements are likely to anticipate state law, as are treaties.” 498 Preventive implementation of executive agreements is the result of “the constitutional allocation of foreign policy power to the national government.” 499 Given that there was a “clear conflict” between California law and the policy adopted by the valid exercise of the federal executive branch (the counting of Holocaust-era insurance claims, which “are indeed within the jurisdiction of the foreign office executive”), state law was anticipated.500 Harry S.