" As the first wave of apes loped forward and attacked, the plan worked, except that Birn (against orders) in the front line was trapped under his horse and needed to be freed and rescued by Leo.The Bible story""s lesson continues as the camera pulls back to another high-angle view, recoiling from the murder:A good tree cannot bring forth evil fruit.In the early days of cinema, live mini-musical ""prologues"" were often presented on stage in the larger movie houses (a carry-over from vaudeville days) - full-scale productions with costumes and scenery and thematic content related to the feature film.A cut-away to them in the middle of the speech displays their astonishment.Stark""s bull-headed oratorical talent, loosened by the booze, effectively and truly speaks to the people.