sentences:  In March 1939, with the war nearly over, CNT leaders participated in the National Defense Council's coup overthrowing the government of the Socialist Juan Negrín.Those involved included the CNT's Eduardo Val and José Manuel González Marín serving on the council, while Cipriano Mera's 70th Division provided military support, and Melechor Rodríquez became mayor of Madrid.The council attempted to negotiate a peace with General Francisco Franco, though he granted virtually none of their demands.