Which of the Following Accurately Describes the Development of Early

Which of the following accurately describes the development of early civilization in southern Japan?

A) Social equality became a distinctive characteristic of the "Tomb Culture" society.
B) Japanese clans prevented Korean immigrants from coming to the islands.
C) Women had little or no power, as Japan imported patriarchal culture from India.
D) The ruling Yamato clan incorporated Korean immigrants into native Japanese kinship groups.