The expelled members led by Ken Douglas and George Harold (Bill) Andersen eventually established the Socialist Unity Party (SUP). The SUP supported the CPSU and Soviet Union until the collapse of the USSR in 1991, defending the Warsaw Pact invasion of Czechoslovakia in 1968, the suppression of the 1982 Solidarity demonstrations in Poland, and the Soviet–Afghan War. In return, Moscow funded frequent trips by SUP members to Russia, and Soviet ideologues and advisers regularly visited their SUP counterparts in New Zealand. The SUP's newspaper was called "NZ Tribune". The Socialist Unity party eventually suffered its own split, with some members departing to found the modern Socialist Party of Aotearoa.