Labor's Giant Step: The First Twenty Years of the CIO, 1936 55 Subject_History This long historical process eventually This long historical process eventually created the material conditions which allow for an end to class divisions and the flowering of a new society where humans will achieve true freedom including commentary on art tells the story of the explosive labor struggles and political battles that built an industrial union movement and changed U The rise of the CIO—the Congress of Industrial Organizations—in the early 1930s transformed the labor movement in the United States and left an indelible imprint on the subsequent course and development of the trade unions