Ikki is a league or alliance. During the Muromachi Period, warriors and/or peasants would form pacts and band together for their own protection, especially in the chaotic Sengoku Period. Some of these sects were religiously based, usually formed around a Jôdô sect, called an ikkô-ikki. These leagues--some sources refer to them as mobs--challenged the authority of the local daimyô, often resulting in armed conflict.
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