Answer:
worked in many factories in jobs traditional held by men
The battle of Okinawa started on April 1, 1945 and ended June 22, 1945. So your answer is C!
I believe the correct answer is D, based on my general knowledge.
Hope I helped. ^ω^
The workers associated with the Pullman strike were regular workers of the Pullman Company, as oppossed to porters or drivers, who didn´t get involved in the strike. The strike was called by the ARU (American Railroad Union) which, precisely, organized the unskilled railroad workers.