Four-Stage Theory of the Republic of China its remaining major component – the island of Taiwan, as opposed to its decades-long claim to all China since losing the civil war in 1949. Prior to this speech, the government officials used "Republic of China" when the name of the state was used. Lee's usage is considered as a departure from the convention, as this usage can be interpreted in the sense that the Republic of China's sovereignty does not extend to mainland China, which the People's Republic of China controls. The Democratic Progressive Party's 1999 Resolution on Taiwan's Future, which is accorded equivalent status as the Party charter,
Mainland China the term "Mainland China" is agreeable to both sides since they both conceive "China" as including mainland and Taiwan, and therefore need this term to distinguish the two areas. However, since it was the KMT who came to this consensus with China, the Pan Green Coalition does not embrace this term as the Pan Blue Coalition does. In Taiwan, under the concept of "Mainlander" another comparative term often used is "waishengren" (), which are the people who immigrated to Taiwan from mainland China with the Kuomintang (KMT) around the end of the Chinese Civil War in 1949, as well as