Russia Ukraine war, page-76028

Stalin sent 9 million soldiers into the meatgrinder and also sacrificed 11 million civilians as human shields or through starvation and disease, why did Putins hero Stalin keep taunting hitler and make him break the Ribbonthrop agreement? He still could of negotiated a peaceful solution by giving up Ukraine and the lower Don, volga and Caspian sea area to access the oil fields and left Moscow and st Petersburg alone.