Question

The idea behind the symbol of the yin and the yang was based on :

royal ancestral worship and filial piety
the understanding that the nature of man is evil
the Daoist belief that every living thing had a life force
the Confucian thought that there is harmony within nature

Answer 1

The Daoist belief that every living thing had a life force

Step-by-step explanation:

Answer 2

Tao deals with the flow of the universe, or the force behind natural order that keeps all things balanced and in order. It is considered to be a source of existence and "non-existence." Most adherents of Taoism believe anything from polytheism (belief in many gods) to ancestor worship.