Irredentism is the belief that a group of people has the right to claim land or property which it was in possession of at some point in time, either according to historical fact or myth and legend. A few examples of irredentism are Zionism, the Greater Armenia, and United Ireland movements. Irredentism has been used to justify some of the worst human rights violations in human history. These include ultra-nationalist expansionism during both World Wars, ethnic cleansing during the Nagorno-Karabakh conflict, and the Palestinian expulsion during the 1948 war, just to name a few examples. It...