This document discusses several key issues related to international migration including freedom of movement, emergency situations, the right to work, and ethnic cleansing. It provides examples of mass migrations such as over a million people fleeing the Rwandan genocide in 1994 and over 50,000 Vietnamese boat people fleeing to Hong Kong after the Vietnam War. The document also discusses ethnic cleansing that occurred in Kosovo in the 1990s as the Yugoslav state collapsed, resulting in tens of thousands of ethnic Albanians fleeing the country.