美国于1966年通过联邦《信息自由法》(Freedomof Information Act),成为全世界当时仅有的几个为要求查阅由联邦政府机构管理的档案文件的任何个人或组织提供合法渠道的国家之一,这一法律是在美国公民和媒体要求政府进一步公开有关越战的档案文件的背景下通过的。美国各州也纷纷 The United States, through the Freedom of Information Act of 1966, became one of the few countries in the world that at that time was one of the only countries that provided legal access to any individual or organization seeking access to archives managed by federal government agencies, This law was passed in the context of U.S. citizens and the media asking the government to further open the archives of the Vietnam War. The United States also have one after another