Chronicling these diasporas from the end of World War II to the present, Duany argues that each sending country's relationship to the United States shapes the transnational experience for each migrant group, from legal status and migratory patterns to work activities and the connections migrants retain with their home countries. Blending extensive ethnographic, archival, and survey research, Duany proposes that contemporary migration challenges the traditional concept of the nation-state. Increasing numbers of immigrants and their descendents lead what Duany calls "bifocal" lives, br.