How Were Indo-European Steppe Tribes Different from Indian, Middle Eastern

How were Indo-European steppe tribes different from Indian, Middle Eastern, and Chinese societies before 800 B.C.E.?

A) Indian, Middle Eastern, and Chinese societies were much more concerned with expansionism than the Indo-Europeans.
B) Indo-European steppe tribes were more likely to have created religious architectural monuments.
C) Indian, Middle Eastern, and Chinese societies created permanent settlements, with wealth based upon land ownership.
D) Monarchies ruled Indian, Middle Eastern, and Chinese societies; Oligarchies ruled the Indo-Europeans.