Some, in the case of Hmong and Somali, are because of groups in Minnesota encouraging the migration specifically to Minnesota. This is a reasonable recap of th

Some, in the case of Hmong and Somali, are because of groups in Minnesota encouraging the migration specifically to Minnesota. This is a reasonable recap of the Somali side: http://tcdailyplanet.tumblr.com/post/7081807388/ask-a-somali-why-are-there-so-many-somalis-in http://tcdailyplanet.tumblr.com/post/7081807388/ask-a-somali... TL;DR - Lutherans