– opposed American entry into the Second World War American League Against War and Fascism American Peace Mobilization American Peace Society A.N.S.W.E.R. (also known as International ANSWER and ANSWER Coalition) Another Mother For Peace Anti-War Committee Antiwar.com Buffalo Nine Campus Antiwar Network Committee for Non-Violent Action (later merged with the War Resisters League) Committee for Nonviolent Revolution Center on Conscience & War (formerly known as NISBCO) Central Committee for Conscientious Objectors Chicago Coalition Against War & Racism Council for a Livable World Council for the National Interest Code Pink: Women for Peace Common Dreams ChildVoice International Direct Action to Stop the War Friends Committee on National Legislation GI Rights Network Gold Star Families for Peace Grandmothers for Peace Iraq Peace Action Coalition LewRockwell.com Long Island Alliance for Peaceful Alternatives Military Families Speak Out opposed to war in Iraq Mennonite Central Committee Moratorium to End the War in Vietnam National Campaign for a Peace Tax Fund National Coordinating Committee to End the War in Vietnam National Mobilization Committee to End the War in Vietnam National War Tax Resistance Coordinating Committee New York Peace Society – first peace society in U.S., opposed 19th and 20th century wars No Conscription League Not in Our Name Orange County Student Alliance Peace Action Peace Alliance Peace and Freedom Party People's Coalition for Peace and Justice People's Council of America for Democracy and Peace – anti-World War I group Port Militarization Resistance Quincy Institute for Responsible Statecraft RESIST Ron Paul Institute for Peace and Prosperity Seneca Women's Encampment for a Future of Peace and Justice September Eleventh Families for Peaceful Tomorrows Spring Mobilization Committee to End the War in Vietnam Students for a Democratic Society (2006 organization) The World Can't Wait Troops Out Now Coalition United for Peace and Justice Veterans for Peace Vietnam Day Committee Vietnam Veterans Against the War War Resisters League Win Without War Women's Peace Party Women's Peace Society Women's Peace Union Youth International Party (Yippies) Canada American Deserters Committee Canadian Peace Alliance Canadian Peace Congress Ceasefire Canada Nova Scotia Voice of Women War Resisters Support Campaign Oceania Global Peace and Justice Auckland Peace Action Wellington Stop the War Coalition Religious Christian American Friends Service Committee Anglican Pacifist Fellowship Catholic Association for International Peace Catholic Worker Movement Christian Peace Conference Episcopal Peace Fellowship Fellowship of Reconciliation Friends Committee on National Legislation Lutheran Peace Fellowship Mennonite Central Committee Methodist Peace Fellowship Order of