Which philosopher is associated with the ideas? Confucianism Daoism Legalism

Kongzi for Confucianism, Han Feizi for Legalism and Zhuang for Daoism.

Explanation:

Confucius also known as Kongzi was a Chinese philosopher who formed and explained the philosophy of Confucianism who lived in the 6th century BCE. Philosopher Han Feizi developed the philosophy of Legalism in 280 - 233 BCE). He lived in the state of Qin which was an ancient Chinese state during the Zhou dynasty. The founder of Daoism philosophy is Laozi also known as Old Philosopher but philosopher Zhuang made great contribution to Daoism philosophy in the 4th Century BCE.

i would say b. research typically uses a variety of sources