Which of the following is the least appropriate thesis? a. nothing in history rivals in importance the development of the internal combustion engine. b. the so-called safety features added to automobiles in the last ten years, in response to requirements by the federal government, have served to increase cost, not safety. c. u. s. manufacturers design automobiles to suit the public images americans want to project, not to satisfy the demands of science and common sense. d. automobile manufacturers in the u. s. who are overly concerned with the freedom of the nation to import oil, have covertly pressured the federal government to use the military in support of their interests. e. the popularity of automobiles has led to the construction of superhighways.