 Meanwhile , formerly quiet labor unions began asserting themselves rather forcefully . The Minneapolis Teamsters Strike of 1934 turned ugly , with the union demanding the right to speak for all trucking employees . As a result of this strike and many others across the nation , Congress passed the National Labor Relations Act in 1935 . Government programs such as the Civilian Conservation Corps and Works Progress Administration brought much @-@ needed work projects to the state . Congress passed the Indian Reorganization Act in 1934 , giving Minnesota 's Ojibwa and Dakota tribes more autonomy over their own affairs . 
