The other was a group based in Amsterdam which published the periodical Rode Vlag (Red Flag).
The Rode Vlag-group was led by Chris Bischot, a district level leader of CPN.
Such plans could not develop further, mainly because of the perception held by the Rode Vlag-group that the CPN could still be converted into a revolutionary party.
In 1972, BNML was joined by the Red Youth (marxist-leninist), which had broken away from Rode Jeugd.
In the mid-1970s, BNML played an important role in conducting debates on a possible merger of the various marxist-leninist factions.