Voluntary war

One of three types of war in Jewish law

Voluntary war, sometimes called a discretionary war, optional war, a non-obligatory war, or a war of free choice, is a technical term found in Hebrew classical literature and denoting a war that is waged of free choice by Israel, only at such a time when the people of Israel are settled in their ancestral homeland. Such a war cannot be waged without either the approbation of the Great Sanhedrin, consisting of no fewer than seventy-one judges, or, according to some authorities, without the command of a king.

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