When it came to international disputes, emotional gestures made little difference. Long and Brecke identified 21 international reconciliation events and compared the ones that clearly cooled down the belligerents with the ones that left them as disputatious as ever. The successes depended not on symbolic gestures but on costly signaling. The leader of one or both countries made a novel, voluntary, risky, vulnerable, and irrevocable move toward peace that reassured his adversary that he was unlikely to resume hostilities.
