Before revision: If there are good grounds for initiating preventive war, the matter should be put to the UN Security Council, which can authorize such URL p.54 Examples The Axis powers in World War II routinely invaded neutral countries on grounds of prevention and began the invasion of Poland in 1939 by claiming the Poles had attacked a border outpost first.
After revision: If there are good grounds for initiating preventive war, the matter should be put to the UN Security Council, which can authorize such URL p.54 Historical examplesWorld War II The Axis powers in World War II routinely invaded neutral countries on grounds of prevention and began the invasion of Poland in 1939 by claiming the Poles had attacked a border outpost first.