Causes Foreign relations -- 2 Civil rights -- 1 Civil war, 1861-1865 1 Civil war, 1861-1865 -- 1 History -- 1 Iraq War, 2003 -- 1 more ... Iraq War, 2003-2011 -- 1 Moral and ethical aspects -- 1 Politics and government -- 1 Propaganda 1 Reconstruction (U.S. history, 1865-1877) 1 Slavery -- 1 Slaves -- 1 United States -- 1 Weapons of mass destruction -- 1 World War, 1939-1945 -- 1 less ...