how did confucius propose to end the era of warring states 1

The Master said, “While a man’s father is alive, look at the bent of his will; when his father is dead, look at his conduct. If for three years he does not alter from the way of his father, he may be called filial.”

-Confucius, The Analects

Then answer the following question,using the source:

How did Confucius propose to end the Era of Warring States?