The position of children in American family and society is no longer what is used to be. The 36 family in colonial(殖民时期的) North America was mainly concerned with survival and 37 that, its own economic prosperity. Thus, children were 38 in terms of their productivity(生产能力), and they played the role of producer quite early. 39 they fulfilled this role, their position in the family was one of subordination(附属).