In the U.S. educational system, courses focusing on genocide and other gross human rights violations developed in the early 1970s as part of a larger response to rewriting the curriculum by including subjects and issues traditionally ignored or silenced. University courses introduced issues of gender, class, race, and ethnicity, including histories of slavery, colonialism, and other atrocities perpetrated against individuals because they were members of targeted civilian groups. From the destruction of indigenous peoples of the Americas to the Great Famine in Ireland to the Armenian Genocide, new scholarship and courses emphasized the intentional patterns, brutality, range of accomplices, and ongoing denial by alleged perpetratorstates of these events. In the following decades, an increasing number of courses have been developed to deal with comparative genocide and other crimes against humanity, human rights issues, and connections with...