Which of the following was NOT an effect of the transcontinental railroad? Select one:
a. People in the East could get fresh beef from Texas.
b. People in the West could stay in touch with relatives in the East.
c. More people visited different parts of the country.
d. People could commute each day between the East and West

Most sociologists agree that: a. culture is central in shaping gender roles, but only in preliterate societies. b. biological factors have some influence, but cultural factors are more important determinants of gender roles. c. biological factors are influential in determining gender roles, but only in industrial or complex societies. d. biological factors only explain differences between men and women with regard to aggression and disease. e. there is no difference between the influences of culture or biology on the development of gender roles, as they are unpredictable.