Lupu and his followers negotiated directly with the PS , but found it impossible to agree on a common platform for the 1919 elections .
Throughout the interval , the Laborites had talks with the consolidated Socialist Party ( PS ) , a nominal successor of the PSDR .
Lupu and his followers negotiated directly with the PS , but found PS impossible to agree on a common platform for the 1919 elections .
Throughout the interval , the Laborites had talks with the consolidated Socialist Party ( PS ) , a nominal successor of the PSDR .