The Korean peninsula became independent but then it was divided into two rival states .
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 .
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 .