... Party (DPP); China Social Democratic Party (CSDP); Labor Party (LP) Other political or pressure groups: Taiwan independence movement, various environmental groups note: debate on Taiwan independence has become acceptable within the mainstream of domestic politics on Taiwan; political liberalization and the increased representation of the opposition Democratic Progressive Party in Taiwan's legislature have opened public debate on the island's national identity; advocates of ... — The 1993 CIA World Factbook • United States. Central Intelligence Agency.