MacArthur was concerned that the demonstration had been taken over by communists and pacifists but the General Staff's intelligence division reported that only three of the march's 26 key leaders were communists.
MacArthur merasa khawatir bahwa unjuk rasa tersebut telah dibajak oleh kaum komunis dan pasifis, tetapi divisi intelijen Staf Umum mengabarkan hanya 3 dari 26 pemimpin utama unjuk rasa tersebut yang menganut paham komunis.