Robert redfield explained the relations between urban and rural communities by arguing that select one: a. peasants were culturally isolated from cities. b. cities were centers from which cultural innovations were spread to rural and tribal areas. c. kin-based ethnic associations only exist in rural areas. d. there are so many connections between rural and urban areas that it is not useful to distinguish between them. e. urban centers have more in common with each other, even across national boundaries, than they do with rural areas in the same country.