disunions

Disunions are instances of separation or division, particularly the breaking apart of things that were once joined or unified.

The word most often appears in political contexts, referring to the fragmentation of states, organizations, or alliances.

In American history, disunion specifically meant the dissolution of the federal Union—the secession of Southern states that led to the Civil War.

The senator warned that such policies would lead to disunions among the allied nations.