Civilization History American literature 1 Cities and towns 1 Cities and towns in literature 1 Civil defense 1 Civil rights 1 Foreign relations 1 History and criticism 1 Landscape in literature 1 Management 1 Nature in literature 1 Pastoral literature, American 1 Political aspects 1 Psychological aspects 1 September 11 Terrorist Attacks, 2001 1 Social aspects 1 Urbanization 1 War on Terrorism, 2001-2009 1