what were the differences between the government and society of the ancient civilisations

Government: Method of selecting civil servants-Ancient China chose their civil servants based on abilities (meritocracy), while ancient India determined civil servants based on Caste while ancient Southeast Asia determined civil servants based on their wealth.Society: Name of centralised rule-Ancient China uses Class System, ancient India uses Caste System and ancient Southeast Asia uses Basic Classes.Number of concentric circles-Ancient China had 2(Capital and Provinces), ancient India had 4(Capital, Inner Provinces, Outer Provinces and Border zone) and ancient Southeast Asia had 3 (Capital, Provinces and Vassal states).