Following the turn of the Communist Party of New Zealand to Trotskyism, the Workers' Party was the main organisation in New Zealand to uphold the anti-revisionist, Beijing line of Mao Zedong in opposition to the market reforms of Deng Xiaoping.
[6][7][8] In 2004, the party merged with a South Island-based Trotskyist group, Revolution,[9][10] to form the Revolutionary Workers' League (RWL).
[2][18] Nunes represented the CPNZ at the 1960 International Meeting of Communist and Workers Parties, [1] siding with China in attacking N. S. Khrushchev for his alleged revisionism, and meeting with Mao Zedong and Kang Sheng as part of a party delegations during 1966–1968.
[19] He would continue to represent the Workers' Party in its relations with communists abroad until his death.
[21] His major work, From Marx to Mao – and After (1995), is an introductory course in Marxism-Leninism, which also contains Nunes' analysis of the collapse of the Soviet Union and the market reforms of Deng in China.