What are some common things people do for a living in a complex civilization?

For a *complex civilization*, the answer could be: Artisan or Merchant

one central belief of buddhism is often referred to as reincarnation -- the concept that people are reborn after dying. buddhism is a philosophy of life expounded by gautama buddha ("buddha" means "enlightened one"), who lived and taught in northern india in the 6th century b.c.