The League for the Fourth International (LFI) is a Trotskyist international organization that has bases in Mexico, Brazil, Italy, the United States and Germany. All of these are very small and based in at most one or two cities. Like other international Trotskyist groups, it fights for "international socialist revolution, the conquest of power by the working class, led by its Leninist party."
The Democratic Socialist Perspective (DSP) was an Australian socialist political group. It was founded in 1972 as the Socialist Workers League (SWL), changing its name to the Socialist Workers Party (SWP) a few years later. In the early 1990s it was once again renamed, as the Democratic Socialist Party, and in 2003 it became the Democratic Socialist Perspective.
The League for Socialist Action (LSA) was the premier Trotskyist organization in Canada for much of the 20th century. Throughout its history the LSA went through many different names and iterations. In chronological order it was known as: the International Left Opposition (Trotskyist) of Canada, the Workers Party of Canada, the Socialist Policy Group, the Socialist Workers League, the Revolutionary Workers Party, The Club, the Socialist Education League, and the League for Socialist Action.
Jack Barnes is an American communist and the National Secretary of the Socialist Workers Party. Barnes was elected the party's national secretary in 1972, replacing the retiring Farrell Dobbs. He joined the SWP in the early 1960s as a student at Carleton College in Minnesota and quickly became a leading member of the party's youth wing. From the 1990s to the present, Barnes has directed his party to support the governments of North Korea and Equatorial Guinea; has instructed the party to abstain from antiwar or anti-racist activism; and in January 2016 lent his support to the occupation of federal lands, in Oregon, by militia movement members. Barnes was a key advocate of the party's "turn to industry" in the 1970s, its exit from the Fourth International in the 1980s and its orientation towards the Cuban Communist Party in the 1990s.
The Revolutionary Socialist League (RSL) was a Trotskyist group in the United States established in 1973 and disbanded in 1989.
The Revolutionary Workers League was a Canadian Trostkyist party formed on 8 August 1977 by the fusion of the Revolutionary Marxist Group and its Quebec counterpart, the Groupe Marxiste Revolutionnaire, with the League for Socialist Action. The organization marked the reunification of the Canadian section of the Fourth International and had a membership of several hundred people. The group published a monthly newspaper in English, Socialist Voice, as well as a French-language publication, La Lutte Ouvrière.
The Socialist Union of America, also called American Socialist Union, Socialist Union or Cochranites were a Trotskyist group that split from the Socialist Workers Party in 1953 and disbanded in 1959. It included most of the SWPs trade union base, as well as others sympathetic to the "Pabloist" line of the International Secretariat of the Fourth International, though it was never recognized as a section of the ISFI.
Under a variety of names and within a number of organizations over at least 17 years, the group around Harry Turner, or Turnerites was a presence within Trotskyism in the United States.
The Committee for a Revolutionary Socialist Party was an attempt to set up a "united front" of several dissident American Trotskyist groups in the 1980s.
The Spartacist League/U.S. is a Trotskyist political grouping which is the United States section of the International Communist League, formerly the International Spartacist Tendency. This Spartacist League named themselves after the original Spartacus League of Weimar Republic in Germany, but has no formal descent from it. The League self-identifies as a "revolutionary communist" organization.
The Revolutionary Tendency within the American Socialist Workers Party was an internal faction that disagreed with the direction the leadership was taking the party on several important issues. Many groups and movements would have their roots in the RT, both in the United States and internationally, including the Socialist Equality Party and the world Spartacist and LaRouche movements and their various splinters.
The International Committee of the Fourth International (ICFI) is a public faction of the Fourth International founded in 1953. Today two Trotskyist internationals claim to be the continuations of the ICFI; one with sections named Socialist Equality Party which publishes the World Socialist Web Site, and another linked to the Workers Revolutionary Party in the UK.
The French Turn was the name given to the entry between 1934 and 1936 of the French Trotskyists into the French Section of the Workers' International. The French Turn was repeated by Trotskyists in other countries during the 1930s.
The International Communist League (Fourth Internationalist) abbreviated as ICL(FI), earlier known as the international Spartacist tendency (iSt) is a Trotskyist international. Its largest constituent party is the Spartacist League (US). There are smaller sections of the ICL (FI) in Mexico, Canada, France, Germany, Ireland, Italy, Japan, South Africa, Australia, Greece and the United Kingdom.
The Socialist Workers Party (SWP) is a far-left political party in the United Kingdom. Founded as the Socialist Review Group by supporters of Tony Cliff in 1950, it became the International Socialists in 1962 and the SWP in 1977. The party considers itself to be Trotskyist. Cliff and his followers criticised the Soviet Union and its satellites, calling them state capitalist rather than socialist countries.
James Patrick Cannon was an American Trotskyist and a leader of the Socialist Workers Party.
The first Revolutionary Socialist League (RSL) was formed in early 1938 by the merger of the Marxist League led by Harry Wicks and the Marxist Group led by C. L. R. James.
The Revolutionary Communist Party was a British Trotskyist group, formed in 1944 and active until 1949, which published the newspaper Socialist Appeal and a theoretical journal, Workers International News. The party was the ancestor of the three main currents of British Trotskyism: Gerry Healy's Workers Revolutionary Party, Ted Grant's Militant and Tony Cliff's Socialist Workers Party.
The Socialist Workers Party (SWP) is a communist party in the United States. The SWP began as a group which, because it supported Leon Trotsky over Soviet leader Joseph Stalin, was expelled from the Communist Party USA. Since the 1930s, it has published The Militant as a weekly newspaper. It also maintains Pathfinder Press.
Far-left politics in the United Kingdom have existed since at least the 1840s, with the formation of various organisations following ideologies such as Marxism, revolutionary socialism, communism, anarchism and syndicalism.
