sentences:  As the liberal gains of the 1848 revolutions fell victim to coercive governments or were swallowed by powerful social forces such as class, religion and nationalism, Rochau—according to Bew—began to think hard about how the work that had begun with such enthusiasm had failed to yield any lasting results.He said that the great achievement of the Enlightenment had been to show that might is not necessarily right.The mistake liberals made was to assume that the law of the strong had suddenly evaporated simply because it had been shown to be unjust.