china ref name ng northern vietnam mid st millennium bc southeast asian people originally animist engaged ancestors nature spirits worship belief systems later supplanted hinduism buddhism region especially coastal areas came contact indian subcontinent first century ref name jgonda jan gonda indian religions pre islamic indonesia survival bali pp ref indian brahmins traders brought hinduism region made contacts local courts local rulers converted hinduism buddhism adopted indian religious traditions reinforce legitimacy elevate ritual
Applied science Military sciences Battlespace Sea