The UN’s ‘deter not protect’ distinction contradicted itself in practice.

Evidence

As the Serb army shelled and killed civilians in the city and burned outlying villages, Rose stated that he had not been authorized to “protect” the safe area, only to “deter” attacks on it. Yet it was Rose who had refused to use a credible threat of NATO air strikes to deter the Serb army from violating the enclave in the first place. — Michael A. Sells, The Bridge Betrayed, 665