 Stachel's tenure as the acting head of TUUL coincided with a burst of activity of that organization in strike actions.According to the Communist Party's own reckoning, some 900,000 American workers went on strike in 1933, three times the total of the previous year.Of these, approximately 200,000 strikers were represented by unions linked to TUUL, compared to 250,000 represented by independent unions, and 450,000 represented by unions affiliated with the American Federation of Labor.