Millions of Mexicans migrated north to the United States over more than two decades beginning in 1942. And they did so at the invitation of the United States. University of Missouri–St. Louis historian Deborah Cohen’s research sheds new light on the U.S.-Mexico...
![Historian researches migrant braceros](https://blogs.umsl.edu/news/files/2011/07/cohen_400_267-e1313443491559.jpg)