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Ius foederis (the right to conclude alliances)
(992 words)

Since the 16th century, ius foederis, (“right to conclude a treaty”; French droit des alliances) has been understood to be the right of a prince, republic, or free city (Town) – and later, a state – to enter into a political or military alliance (Latin foedus; French, alliance) with a foreign power, normally by concluding a treaty according to international law. Besides the relationship created by a general friendship treaty, an alliance served a specific purpose; it was focused on peaceful or military success, on preserving and promot…

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Fassbender, Bardo, “Ius foederis (the right to conclude alliances)”, in: Encyclopedia of Early Modern History Online, Editors of the English edition: Graeme Dunphy, Andrew Gow. Original German Edition: Enzyklopädie der Neuzeit. Im Auftrag des Kulturwissenschaftlichen Instituts (Essen) und in Verbindung mit den Fachherausgebern herausgegeben von Friedrich Jaeger. Copyright © J.B. Metzlersche Verlagsbuchhandlung und Carl Ernst Poeschel Verlag GmbH 2005–2012. Consulted online on 16 July 2019 <http://dx.doi.org/10.1163/2352-0272_emho_SIM_017889>
First published online: 2015
First print edition: 20190124



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