This document discusses economic migration and its relationship to multicultural societies. It defines economic migration as movement between countries for better economic opportunities, traditionally from less economically developed countries to more developed ones. Case studies examine migration patterns from Mexico to the US and North Africa to Europe. Economic migrants often have hopes for better lives but can face difficulties like poor working conditions and discrimination. Push factors encourage emigration while pull factors attract immigration. Multicultural societies result from migration but can involve prejudice towards minority groups.