B. H. Liddell Hart confirms it: “[W]hen Mr. Churchill came into power, one of the first decisions of his Government was to extend bombing to the non-combatant area.”155 While the Luftwaffe had bombed cities, Liddell Hart noted the critical strategic and moral difference with what Britain was doing: “Bombing [of Warsaw and Rotterdam] did not take place until German troops were fighting their way into these cities and thus conformed to the old rules of siege bombardment.”
