It is believed that the Yari originated from the Chinese spear. However, the Yari did not become popular until the Mongol invasion. Previous to this event, fighting in Japan was very formalized and more like duels than battles. However, the invasion of the Mongols changed this style of warfare. In order to keep up with the advanced tactics of the Mongols, the Japanese had to use the longer Yari. The Yari remained the choice spear of the Samurai until the Edo period. |
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