Answer:
the British prohibiting a Hindu ruler without a natural heir from adopting a successor and, after the ruler died or abdicated, annexing his land.
Step-by-step explanation:
One notable British technique was called the doctrine of lapse, first perpetrated by Lord Dalhousie in the late 1840s. It involved the British prohibiting a Hindu ruler without a natural heir from adopting a successor and, after the ruler died or abdicated, annexing his land.