As also Itanesco pointed the NPSI was a socialdemocratic party I say was as it is a former political party as it was merged into the PdL in March and that many of its core members had left in  in order to join to the left wing Socialist Party The NPSI has been an ally of the centreright but is the German SPD centreright because it is an steady ally of the CDU in many states and currently also in Berlin but it was not a centreright party and also Forza Italia contained a large group of lefists making it more a centreleft party that a centreright one from an European perspective I dont see any reason for labelling the NPSI as socialdemocratic and I perfectly agree with Itanescos edit thats why I reverted Miaceks rollback This is a small party and not a big deal but I hope that Miacek wont matter if we describe this party correctly as a socialdemocratic party Moreover the article explaines everything about the NPSIs alliances anyway in many regionalmunicipal contexts the party was part of the centreleft