In September Democracy and Socialism , led by Angius and Valdo Spini , joined the `` Socialist Constituent Assembly `` and committed themselves to the foundation of a social-democratic party in the tradition of the historical Italian Socialist Party .
ADP PROPN PROPN CCONJ PROPN , VERB ADP PROPN CCONJ PROPN PROPN , VERB DET `` PROPN PROPN PROPN `` CCONJ VERB PRON ADP DET NOUN ADP DET ADJ NOUN ADP DET NOUN ADP DET ADJ PROPN PROPN PROPN .