Between 1942 and 1966, the Bracero Program brought 4.6 million Mexican migrant workers to the United States including to jobs in Iowa. They were working largely in agricultural jobs.
Brian Behnken is an associate professor of history and the U.S. Latino studies program at Iowa State University. He explains the history of the program, how it was implemented, and what was required of workers and employers.
The program began during World War Two.