id author title date pages extension mime words sentences flesch summary cache txt en-wikipedia-org-6471 Powers of the president of the United States - Wikipedia .html text/html 5789 559 61 The Constitution explicitly assigns the president the power to sign or veto legislation, command the armed forces, ask for the written opinion of their Cabinet, convene or adjourn Congress, grant reprieves and pardons, and receive ambassadors. In this capacity, the president exercises supreme operational command and control over all military personnel and militia members, and has plenary power to launch, direct and supervise military operations, order or authorize the deployment of troops, unilaterally launch nuclear weapons, and form military policy with the Department of Defense and Homeland Security. In times of war or national emergency, the Congress may grant the president broader powers to manage the national economy and protect the security of the United States, but these powers were not expressly granted by the Constitution.[31] The president can issue rules, regulations, and instructions called executive orders, which have the binding force of law upon federal agencies but do not require approval of the United States Congress. Article II of the United States Constitution gives the president the power of clemency. ./cache/en-wikipedia-org-6471.html ./txt/en-wikipedia-org-6471.txt