What were the effects of filial piety on East Asia?

In Confucian, Chinese Buddhist and Taoist[2] ethics, filial piety (Chinese: 孝, xiào) is a virtue of respect for one's parents, elders, and ancestors. The Confucian Classic of Filial Piety, thought to be written around the Qin-Han period, has historically been the authoritative source on the Confucian tenet of filial piety. The book, a purported dialogue between Confucius and his student Tseng Tzu, is about how to set up a good society using the principle of filial piety. Filial piety is central to Confucian role ethics.

the answer is catholics

the treaty of brest-litovsk was a peace treaty signed on 3 march 1918 between the new bolshevik government of russia and the central powers (german empire, austria-hungary, bulgaria, and the ottoman empire), that ended russia's participation in world war i.