Confucianism is a moral code that guides how a person should live his or her life. On which of these character traits is Confucianism based?

- Honesty.

Explanation:

Confucianism is elucidated as the moral system (based on philosophical as well as ethical principles or teachings) that guides humans to lead a simple life. It is also known as 'Ruism' and first developed in ancient China by Mencius.

As per the question, the philosophy was entirely based on ethical as well as moral principles like humanity, respect, generosity, loyalty, harmony, reverence for elders, and justice. Since 'honesty' is one of the key moral values that directs humans to live in harmony, it would be the feature which Confucianism is based upon.