This policy was rejected and the PSI split in 1921, with the formation of the Italian Communist Party, and in 1922, when Turati's group was expelled and established a new party, the Partito Socialista Unitario (PSU).
This policy was rejected and the PSI split in 1921, with the formation of the Italian Communist Party. In 1922, when Turati's group was expelled and established a new party, the Unitary Socialist Party (PSU).