Bamjee did not have to ask what the leaflets were. He had read the papers. All the past week Africans had been destroying their passes and then presenting themselves for arrest. Their leaders were jailed on charges of incitement, campaign offices were raided—someone must be helping the few minor leaders who were left to keep the campaign going without offices or equipment. What was it the leaflets would say—“Don’t go to work tomorrow,” “Day of Protest,” “Burn Your Pass for Freedom”? He didn’t want to see. What central idea does this paragraph introduce?