Confucius, whose sayings are collected in the , taught that people must learn the importance of order in human relationships and must follow a strict code of moral conduct, including respect for others, benevolence, and reciprocity.

Analects.

Explanation:

Confucius was Chinese teacher and philosopher that once lived long time before the birth of Christ. While Confucius was alive before he died in the year 478 BC on the 11th day of the month of April he proposed many ideas and one of them is what is known as Confucianism which described how humans should interact socially with one another.

The Analects of Confucius contains many of his teachings, ideas or thought put into words and this is been used to teach people the importance of order in human relationships.

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