Factionate

However, the Council immediately began to factionate.

Source: wiktionary

I said I would feel more comfortable with a smaller ICBM on the U.S. side if I could be assured that the Soviet Union would not factionate beyond 10 reentry vehicles.

Source: wiktionary

They create situations that allow, even encourage, invidious social comparison, which tends to factionate people who might otherwise engage in fruitful social relationships.

Source: wiktionary

They have gained this reputation by being intensely rivalrous and obsessively factionate, however, so the impression that the "placing" litany of questions is primarily incorporative in its intent is, I think, largely erroneous.

Source: wiktionary