Request that spokespersons for religious groups and other public figures take up vigils on the rooftops or inside likely targets of attacks. Prominent clergy and leaders from other countries could be invited to participate.
Nations opposed to the aggression could be urged to shut down their ports and airports to people from the aggressor state. Its citizens could organize sympathy rallies and marches.
A global boycott could be launched against the exports of the aggressor nation.
The aggressor nation could be stripped of its veto if it is a member of the UN Security Council, a body created to prevent wars.
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