However , a majority of the former ISO soon left as a result of what were seen as Stalinist practices on the part of the former CPNZ leadership .
The ISO and CPNZ fused in the 1990s to form the Socialist Workers Organization .
A majority of the former ISO soon left as a result of what were seen as Stalinist practices on the part of the former CPNZ leadership .
The ISO and CPNZ fused in the 1990s to form the Socialist Workers Organization .