A shatterbelt breaks apart because division inside meets rivalry outside

Geographers call a region like that a shatterbelt, and the idea explains why some regions keep breaking while neighbours stay stable.

Two conditions, both required

A shatterbelt needs internal division and outside rivalry at the same time. Inside, the region holds many groups separated by language, religion or ethnicity, often left behind by collapsed empires. Outside, stronger powers compete for influence there and back opposing sides with weapons, money or alliances. Each condition makes the other worse. Local quarrels invite foreign sponsors, and foreign sponsors harden local quarrels. The political geographer Saul B. Cohen used the term in his Cold War work on world geopolitical regions.

The Balkans and Eastern Europe

The Balkans are the textbook case. Ottoman and Habsburg rule left a mosaic of Serbs, Croats, Bosniaks, Albanians and others, and the 1914 assassination of Archduke Franz Ferdinand in Sarajevo set off the First World War. The breakup of Yugoslavia in the 1990s produced several new states and years of war. The word balkanization comes from this history. Eastern Europe more broadly sat between German and Russian power, and both world wars were fought across it.

The Middle East today

The Middle East holds Arabs, Persians, Turks and Kurds, Sunni and Shia Muslims, Christians and Jews. After the Ottoman Empire collapsed, Britain and France drew many of its borders, often as superimposed boundaries that split groups such as the Kurds among Turkey, Iraq, Iran and Syria. Oil and narrow sea routes such as the Suez Canal and the Strait of Hormuz draw outside powers in. During the Cold War the United States and the Soviet Union backed rival states there, as they did in Southeast Asia.

Shatterbelt, buffer state and balkanization

These three get mixed up. A buffer state is one independent country between rivals that keeps them apart; Mongolia sat between the Soviet Union and China, and Nepal and Bhutan between British India and China. A shatterbelt is a whole region of states that the rivals reach into. Balkanization is a process, the breakup of an area into small and often hostile states, and shatterbelts are where it tends to happen. Choke points, named in the same CED sentence, are narrow passages that outside powers want to control.

The error of calling every war zone a shatterbelt

A civil war inside one country with no outside competition is not a shatterbelt, and neither is a divided region that no great power cares about. Check both conditions before using the word. The label also describes a period rather than a permanent trait. Much of Eastern Europe joined NATO and the European Union after the Cold War, which changed the outside pressure on it. Compare how world systems theory also places regions by their relation to outside powers.

Building a free response answer

Expect a map showing ethnic groups, borders and foreign alliances, then tasks such as defining a shatterbelt, explaining how outside powers add to instability, and naming one consequence. Name both conditions, tie each to a place on the map, and finish with a result such as civil war, refugee flows or new borders. The Unit 4 page places this inside political geography, and the multiple choice test maker drills the shatterbelt and buffer state distinction.

Last updated: 2026-10-03 · Written with AI assistance and reviewed before publishing.