This undated photo provided by the United States Citizenship and Immigration Services' (USCIS) History Library and the National Trust for Historic Preservation, shows temporary clerks completing the short-term labor contracts and identification cards. Each clerk was proficient in both Spanish and English. The bracero program is the largest guest-worker program in our nation's history and recruited 4.6 million skilled Mexican nationals. (United States Citizenship and Immigration Services' (USCIS) History Library/National Trust for Historic Preservation via AP)
Featured Photo Galleries
