Inter-civilizational conflicts escalate while intra-civilizational ones stay contained

Evidence

The bloody clash of clans in Somalia poses no threat of broader conflict. The bloody clash of tribes in Rwanda has consequences for Uganda, Zaire, and Burundi but not much further. The bloody clashes of civilizations in Bosnia, the Caucasus, Central Asia, or Kashmir could become bigger wars. In the Yugoslav conflicts, Russia provided diplomatic support to the Serbs, and Saudi Arabia, Turkey, Iran, and Libya provided funds and arms to the Bosnians, not for reasons of ideology or power politics or economic interest but because of cultural kinship. — Samuel P. Huntington, The Clash of Civilizations and the…, 43

Categorization

• XREF: Connects to Milgrom’s law-merchant material on how groups rally to kin in conflict; also to general reputation/kinship mechanics threaded through the reader’s institutional-economics library.
• SEED: Angle: an essay on how ‘cultural kinship’ versus interest-based alliances predicts which proxy conflicts escalate — testing Havel and Delors’ claims against modern cases.
• corroborated: 2 independent passages support this claim — Samuel P. Huntington, The Clash of Civilizations and the…, 43