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 ==How it is - Answer== 

How it is

 He was a Romanian citizen
Not only Romanian! He was born a Austrian-Hungarian citizen (1913). He was a Soviet citizen too, for a long time, it is not clear if he ever got back the Romanian citizenship.

 He was a member of the PCR (thus a Romanian Communist)
... and of many other communist parties! No need to stress so much the romanian party. The romanian party was illegal at the time and it was considered a terrorist group; membership to such a URSS-sponsored group does not make ""Roman"" Romanian. He was never a Romanian Communist; maybe you mean ""a member of the Party of the Communists from Romania"".

 He lived in Romania
... and also in Spain, USSR, Czechoslovakia and France. Do not put undue stress on Romania.

Most of all, Neulander was a Soviet agent and comissar, ennemy of Romania, agent of occupation, whose mission was to establish communist rule in occupied Romania. Now stop spreading the anti-Romanian propaganda.  "