The formal ending, breaking up, or collapse of an institution, treaty, agreement or organised system

Latin dissolutio, from dissolvere, 'to loosen apart' (dis-, 'apart' + solvere, 'to loosen')

Disintegration Termination Collapse
Formation Consolidation
"The dissolution of Europe's arms-control architecture, the INF Treaty terminated, Open Skies abandoned, New START expired without a successor, has left no negotiated limit on American and Russian strategic arsenals for the first time since 1972."

Useful in GS2 answers on international institutions and treaty regimes, e.g., 'the dissolution of the WTO's Appellate Body has left multilateral trade dispute settlement without a binding final authority.'

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