美国国会（Congress，United States）是执行美国宪法规定的立法权力的机构。美国参议院（英语：United States Senate）是美国的立法部门总统办事机构：(Executive Office of the President)白宫办公厅 (The White House Office)副总统办公厅 (Office of the Vice President of the United States)行政管理和预算局 (Office of Management and Budget)经济顾问委员会 (Council of Economic Advisers)国家安全委员会 (National Security Council)美国贸易代表办公室(Office of United States Trade Representatives)政策制定办公室 (Office of Policy Development)科学和技术政策办公室 (Office of Science and Technology Policy)改善环境质量委员会 (Council on Environmental Quality)国家麻醉品控制政策办公室 (Office of National Drug Control Policy)行政办公室 (Office of Administration)政府各部：(Cabinet Department)国务院 (Department of State)财政部 (Department of Treasury)国防部 (Department of Defense)司法部 (Department of Justice) 商务部 (Department of Commerce)能源部 (Department of Energy)内政部 (Department of Interior)农业部 (Department of Agriculture)教育部 (Department of Education)运输部 (Department of Transportation)劳工部 (Department of Labor)卫生与公众服务部 (Department of Health and Human services)住房和城市发展部 (Department of Housing and Urban Development)退伍军人事务部 (Department of Veterans Affairs)军事机构：(Military Bodies)国防部 (Department of Defense)参谋长联席会议 (Joint Chiefs of Staff)陆军 (Army)空军 (Airforce)海军 (Navy)海军陆战队 (Marine Corps)海岸警卫队 (Coast Guard)后备役部队 (Reserves)联合作战司令部 (United Combatant Commands)
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