Japan, china, and korea were... A) Friendly nations who shared culture amd customs. B) rival nations who came into frequent conflict. C) neighboring countries who shared a common history. D) countries

Japan, china, and korea were...

A) Friendly nations who shared culture amd customs.

B) rival nations who came into frequent conflict.

C) neighboring countries who shared a common history.

D) countries with very dissimilar culture and customs.