in prehistoric times, any attempt to harness nature meant forcing nature against her will. nature had to be challenged, usually with some form of magic or by means that were above nature ― that is, supernatural. science does just the opposite, and it works within nature’s laws. the methods of science have largely taken away reliance on the supernatural ― but not entirely. the old ways persist full force in primitive cultures.여기서 full force를 뭐라고 해석해야 하나요