[2] At the first Polish Bund conference in 1920 a majority resolution passed, calling for the party to join the Communist International.
[6] Immediately after the split, the Bund and Kombund began fighting over control of trade unions.
Important leaders of the textile, leather and paper workers' unions had sided with the Kombund in the split.
Just before the merger, the Kombund has suffered setbacks in trade union elections in Łódź and Kraków.
[8] Shortly after the merger, the Polish Communist Party established its Central Jewish Bureau.