Trump has upped the stridency and threatening nature of his complaints, but the US and Europe need each other Trump has upped the stridency and threatening nature of his complaints, but the US and Europe need each other Collateral damage is a universally acknowledged hazard of war – more commonly known for its impact on truth and non-combatant civilians. Its consequences are much less frequently visited on military alliances. The United States’ North Atlantic Treaty Organization ( Nato ) allies