Peacekeeping is extremely effective, far more so than previous studies have shown. If the UN had invested $200 billion in PKOs with strong mandates over the period 2001-2013, major armed conflict would have been reduced by up to two thirds and 150,000 lives would have been saved.

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Peacekeeping is extremely effective, far more so than previous studies have shown. If the UN had invested $200 billion in PKOs with strong mandates over the period 2001-2013, major armed conflict would have been reduced by up to two thirds and 150,000 lives would have been saved.