The phrase "opposing factions" refers to groups or individuals who have conflicting opinions, beliefs, or goals and are in direct disagreement with each other. Full definition
After all, the purpose of the tour was to reconcile opposing factions, especially, in the party's parliamentary primaries and to forge a united front for the 2016 elections. (ghanapoliticsonline.com)
These covers almost always follow a strict formula: a vertical line down the middle of the package divides orange and blue, often as a lazy way to distinguish opposing factions. (gamesetwatch.com)
The row erupted in India late last year in the run - up to the Copenhagen climate summit, with opposing factions in the government giving radically different narratives of what was happening to Himalayan ice. (news.bbc.co.uk)