对外宣战与授权用兵根据美国宪法,国会享有宣战权。历次美国对外正式宣战的程序基本相同:总统首先向国会提交书面请求,或亲自出席国会两院联席会议并提出请求;在宣战请求中,总统会阐明其宣战的迫切原因,这些原因包括对美国领土或其公民的武装攻击,以及 Declaring Foreign Warfare and Empowering Military Expeditors According to the U.S. Constitution, Congress has the right to declare war. The procedures for the formal declaration of war between the United States and the United States have been basically the same: the President first submitted a written request to the National Assembly or attended a joint meeting of both Houses of the National Assembly and made a request; in the declaration of war, the President clarified the pressing reasons for his declaration of war, Or their citizens, as well as armed attacks