This book examines national debates on immigration, asylum seekers and guest worker programs from 1970 to the present. Over the past 45 years, contemporary immigration has had a profound impact throughout North America, Europe and Australasia, yet the admission of ethnically diverse immigrants was far from inevitable. In the midst of significant social change, policymakers grappled with fundamental questions: what is the purpose of immigration in an age of mass mobility? Which immigrants should be selected and potentially become citizens and who should be excluded? How should immigration...