Within the Chicago IWW, even after the Socialist Party and the Socialist Labor Party supporters had largely departed, there remained two different philosophies--these two groups have been referred to as the centralizers and the decentralizers, or (later) the EP-ers.
There remained two different philosophies--these two groups have been referred to as the centralizers and the decentralizers. This was within the Chicago IWW. There remained (later) the EP-ers. This was within the Chicago IWW. The Socialist Party had largely departed. The Socialist Labor Party supporters had largely departed.