When a long-standing ally changes the terms of partnership without warning, the wound is not merely economic — it is a wound to trust itself. Chile, a nation that has cultivated close ties with Washington and built its export economy on the stability of a two-decade-old free trade agreement, now finds itself subject to tariffs that carry an implicit accusation its government firmly rejects. The question Santiago is asking is one that echoes across many capitals: in an era of shifting American commitments, what does friendship between nations actually guarantee?