alt Hacker NewsThat is, the constitution written by the KMT dictatorship that was awarded the island as spoils of war after the Japanese surrendered to the Allies in WW2.
In the present day, neither the Taiwanese government nor Taiwanese people are in some kind of dispute with the CCP over who owns Gansu province or whatever, they just would like recognition of their already-existing sovereignty.
That's a little misrepresenting history... Taiwan was part of the Qing Empire and Japan took it in 1895 following China's defeat in the first Sino-Japanese War. China got it back after WWII.