[Mexican migration to the United States: review of a historical process]. / La migracion mexicana a Estados Unidos: recuento de un proceso historico.

PIP: The author reviews historical trends in migration from Mexico to the United States. The focus is on the importance of Mexican workers who became part of the industrial work force at the beginning of the twentieth century. The composition of the present-day migrant flow, including undocumented workers, is described. The impact of the 1986 Immigration Reform and Control Act is discussed, and possible causes of illegal migration are considered.^ieng