Which piece of evidence from the article appeals to the reader's sense of morality? a. a powerful idea in american democracy has been that everyone, regardless of background, should have a fair chance to fulfill their potential. b. through political and legal pressure, departments of education in some states reluctantly began to open doors to those groups that had faced systemic discrimination. c. child labor was common practice, and farm and manual labor required little more than basic skills in reading and math. d. with the support of government programs, war veterans from all social classes went to college in record numbers.