What was the origin of the territorial dispute over taiwan?
a. people from both china and japan settled on the island in the late 16th century.
b. south koreans fled to the island when the north koreans drove them off the inchon peninsula.
c. china developed a whaling trade on taiwan, threatening japan's dominance of that industry.
d. chinese nationalists fled to taiwan when the people's republic of china was established.

The origin of the territorial dispute over Taiwan was when the Chinese nationalists fled to Taiwan when the People's Republic of China was established. The correct option among all the options given in the question is option "d". In the year 1949 the People’s Republic of China was established on the Chinese mainland. This was the main reason behind the controversy of whether Taiwan is actually a part of China or whether it is a completely sovereign country with its own identity.