 The ISU was involved the West Coast longshoremen's strike of 1934.Lasting 83 days, the strike led to the unionization of all West Coast ports of the United States.The San Francisco general strike, along with the 1934 Toledo Auto-Lite Strike led by the American Workers Party and the Minneapolis Teamsters Strike of 1934, were important catalysts for the rise of industrial unionism in the 1930s.