In addition, the Chinese Han dynasty hosted the largest unified population in East Asia, the most literate and urbanized as well as being the most technologically and culturally advanced civilization in the region.
Cultural and religious interaction between the Chinese and other regional East Asian dynasties and kingdoms occurred.
After a century of exploitation by the European and Japanese colonialists, post-colonial East Asia saw the defeat and occupation of Japan by the victorious Allies as well as the division of China and Korea during the Cold War.
The Korean peninsula became independent but then it was divided into two rival states, while Taiwan became the main territory of de facto state Republic of China after the latter lost Mainland China to the People's Republic of China in the Chinese Civil War.
Historically, societies in East Asia have been part of the Chinese cultural sphere, and East Asian vocabulary and scripts are often derived from Classical Chinese and Chinese script.
China, Japan, and South Korea", as well as Mongolia, North Korea, the Russian Far East and Siberia.
Jōmon society in ancient Japan incorporated wet-rice cultivation and metallurgy through its contact with Korea.
Vietnamese society was greatly impacted by Chinese influence, the northern part of Vietnam was occupied by Chinese empires and states for almost all of the period from 111 BC to 938 AD.
Although 1,000 years of Chinese rule left many traces, the collective memory of the period reinforced Vietnam's cultural and later political independence.
As full-fledged medieval East Asian states were established, Korea by the fourth century AD and Japan by the seventh century AD, Korea, Japan and Vietnam actively began to incorporate Chinese influences such as Confucianism, the use of written Han characters, Chinese style architecture, state institutions, political philosophies, religion, urban planning, and various scientific and technological methods into their culture and society through direct contacts with succeeding Chinese dynasties. Perry would open Japan to Western ways, and the country would expand in earnest after the 1860s.