WHY IS NATO FRACTURING?
Global Affairs Session 16 16 April 2026 WHY IS NATO FRACTURING? From Cold War collective defence to contemporary alliance strain NATO was created after the Second World War as a collective-security alliance centred on Article 5. It survived the collapse of the Warsaw Pact, expanded after 1991 and took on wider security roles. Yet Donald Trump’s transactional approach, uncertainty over alliance commitments and different pressures arising from the Ukraine and Iran conflicts have exposed important political and strategic strains.