Meaningful Tone - Paperbackby Martha Ratliff (Author) Following U. S. military involvement in Indo China in 1975, many of the Hmong an ethnic group originating in Southwestern China and Southeast Asia who were persecuted by the communist organization Pathet Lao became refugees. A large portion of them originally resettled in the Upper Midwestern United States, but the largest population of Hmong is now in Minnesota and California. Today, there are diasporic communities in