divide and conquer
verbEtymology Calque of Latin dīvide et imperā.
To use a combination of political, military and economic strategies that aim to gain and maintain power by breaking up larger concentrations of power into chunks that individually have less power than the one implementing the strategy.
- It added that it can't begin pay talks without permission from Transport Scotland, and then cited a TSSA union survey of ScotRail that suggested that most of its members were against strikes, instead preferring job security rather than a pay rise. This prompted the TSSA to accuse ScotRail of trying to divide and conquer.2020 December 2, Philip Haigh, “A winter of discontent caused by threat of union action”, in Rail, page 62: