The red and orange colored areas on the map above show where most Swedes and Norwegians had settled by 1872. Many in this area became dairy farmers, and others raised cattle or crops. For this reason, they needed to live in a physical environment where there was

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.