"The 1948 United Nations Convention on the Prevention and Punishment of the Crime of Genocide (which came into force in 1951) defines... acts... considered genocidal if committed with intent to destroy, in whole or in part, a national, ethnic, racial, or religious group: killing members... causing serious bodily or mental harm... deliberately inflicting conditions... calculated to bring about the group's... destruction in whole or in part; imposing measures intended to prevent births... and forcibly transferring children... to another group. ...[I]nternational tribunals that adjudicated... Rwanda and the former Yugoslavia... included acts of widespread sexual and gender-based violence. Thus... the intentional destruction... may, and... tends to occur through multiple forms of action, with direct killing being only one..."