Palestinian Workers (GUPW) () Confederación General de Trabajadores del Perú () General Federation of Trade Unions () All India Trade Union Congress () Centre of Indian Trade Unions () All India Central Council of Trade Unions () Intersindical-CSC () Coordinadora Obrera Sindical () Coordinadora Sindical de Clase () Frente Sindical Obrero de Canarias () Confederation Intersindical Galega () Langile Abertzaleen Batzordeak () Workers' House () Unidade Classista () Central dos Trabalhadores e Trabalhadoras do Brasil () United Trade Unions of Serbia "Sloga" () All-China Federation of Trade Unions () Labor United Educational League (LUEL) () Union of Trade Unions of Monaco () National Federation of Agri-Food and Forestry and National Federation of Chemical Industries from General Confederation of Labour () Trade Union Internationals During the late 1940s, the WFTU unsuccessfully tried to reach an agreement with already existing international trade secretariats. When the Union split in 1949 they were left without an organization at the level of specific industries, leading to the creation of the Trade Union International (TUI) system. The TUI system has gone through a number of transformations in its over 60 years of existence. The following Trade Unions Internationals are constituted within the WFTU: World Federation of Teachers Unions – known by its French acronym FISE, this is the earliest affiliated union, founded in 1946. It maintained a degree of independence from the WFTU not exercised by the other TUIs. In 1949, the 2nd World Congress decided to create a series of sectoral unions, after their negotiations with already existing international trade secretariats failed. At first these were known as Trade Departments or International Federations, but they adopted the appellation "Trade Union Internationals" by the mid-1950s. The original TUIs formed in 1949 and 1950 were: The WFTU functioned during the Cold War largely as a unitary organization, bringing together unions from the Communist bloc and Western unions. Trade Union International of Agricultural and Forestry Workers (also known as the TUI of Agricultural, Forestry and Plantation Workers) Trade Unions International of Building, Wood, Building Materials and Industries International Union of Trade Unions of Postal, Telephone and Telegraph Workers (also known as the TUI of Postal, Telegraph, Telephone and Radio Workers) Trade Union International of Chemical and Allied Workers Trade Unions International of Miners Trade Union International of Food, Tobacco, Hotel and Allied Industries Workers (also known as the TUI of Food, Tobacco and Catering Workers or the TUI