<h1>Diplomatic management: leaders use praise and agenda control to neutralise unpredictable unilateral pronouncements and secure concessions.</h1> Foreign leaders prioritise relationship management with an unpredictable American presidency by using praise, conciliatory engagement, and procedural adjustments - shortening meetings, removing contentious agenda items, and offering targeted concessions - treating public threats as contingent bargaining positions to be tested and then negotiating or accommodating to secure specific policy outcomes while preserving forum cohesion.