Proxy war
conflict between two actors in which neither directly engages the other

In political science, a proxy war is an armed conflict where at least one of the belligerents is directed or supported by an external third-party power. In the term proxy war, a belligerent with external support is the proxy; both belligerents in a proxy war can be considered proxies if both are receiving foreign military aid from a third-party country. Acting either as a nation-state government or as a conventional force, a proxy belligerent acts on behalf of a third-party state sponsor.
A proxy war is characterised by a direct, long-term, geopolitical relationship between the third-party sponsor states and their client states or non-state clients, thus the political sponsorship becomes military sponsorship when the third-party powers fund the soldiers and their materiel to equip the belligerent proxy-army to launch and fight and sustain a war to victory, and government power. However, the relationship between sponsors and proxies can be characterized by principal-agent problems whereby the sponsor may be unable to control the actions of the proxy. A proxy war also can be a civil war, as in the Korean War and the Vietnam War during the Cold War.
History
During classical antiquity and the Middle Ages, many non-state proxies were external parties that were introduced into an internal conflict and aligned themselves with a belligerent to gain influence and to further their own interests in the region. Proxies could be introduced by an external or local power and most commonly took the form of irregular armies which were used to achieve their sponsor's goals in a contested region. Some medieval states like the Byzantine Empire used proxy warfare as a foreign-policy tool by deliberately cultivating intrigue among hostile rivals and then backing them when they went to war with each other. Other states regarded proxy wars as merely a useful extension of a pre-existing conflict, such as France and England during the Hundred Years' War, both of which initiated a longstanding practice of supporting privateers, which targeted the other's merchant shipping.
“Proxy war” enters the record as conflict between two actors in which neither directly engages the other. Crown Archives preserves that source wording while asking what Proxy, conflict and between can confirm, complicate or overturn.
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Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Aug 7, 2026. The linked authority identifier is Q864113. The Library of Congress control number is sh2013002437. None of the 1 selected statements returned an explicit reference.
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This entry incorporates text from “Proxy war” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.