The Alliance, through President Shay’s aggressive efforts, was successful in getting studio jobs for IA members.  The International felt confident enough to call a general strike in 1918 against producers, demanding recognition of the IA as the bargaining agent for its members, calling for a closed shop and a wage increase.  The IA also demanded overtime pay, and double time for Sunday work.
IA called out the projectionists in a secondary boycott.
But the timing wasn’t right.  Several studios remained open thanks to strikebreakers from the Carpenters.  The Department of Labor eventually settled the strike, with a wage scale granted but no union recognition.