Answer:
B. The events of the Warring states period is the correct answer.
Step-by-step explanation:
The era of Chinese history characterised by military, bureaucratic reforms and characterised by warfare is known as Warring States Period. It was followed by Spring and Autumn period and ended with the QIn wars of conquest. Three belief systems came into prominence during the warring states period. (Confucianism, Daoism and Legalism).
Confucius was a government minister during the end of Zhou period. He was concerned about the leaders and their ethical cultivation. It was due to the events of warring states period that he urged ethical behaviour and framing responsible government as a moral duty. He taught that instead of punishments the rulers should align their policies with virtue and the people will have as sense of shame and fulfil their roles.