    Sentence 1: Lockean ideas provided the  footing for American behaviorism,  launched by John Watson in the early  1900s and built by B. F. Skinner into a  powerful. mid-century theoretical force  heraldirig the supremacy of  environment in its belief that behavior is  shaped by external stimuli.    Sentence 2: Lockean ideas had nothing  to do with the footing of American  behaviorism.