The growth of the United Auto Workers in Canada dramatically improved the lives of thousands of workers. Not only did it achieve impressive bargaining gains, but the UAW was regarded as one of the most democratic and socially progressive of the major industrial unions in North America. However, workers in the automotive sector, who constituted the largest segment of the UAW membership, witnessed blatant gender inequalities. From 1937 to 1979, UAW leaders did little to challenge these inequalities. Both the union and the workplace remained highly masculine settings in which male workers and...