Which of the Following Statements Represents a Major Theme in Contemporary

Which of the following statements represents a major theme in contemporary family history?

A) Diversity among families was virtually nonexistent until the beginning of the 19ᵗʰ century.
B) Families are active agents of change.
C) Change in family form has been uniform across all races and classes in U.S. society.
D) Economic factors had little effect on family life in the colonial United States.