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The Zen sect had been favored by the Ashikaga shogunate and had, during the Ashikaga (Muromachi) and the earlier Kamakura periods, supervised commercial and cultural relations with China through the famous Tenryūbune (Tenryūji ships) sponsored by the Tenryūji branch of the Rinzai school in Kyoto. Zen temples played an important cultural role with their schools, the so-called terakoya, and they controlled the celebrated Ashikaga College (referred to by Xavier as the "University of Bando"), a major center for classical Chinese learning. At the beginning of the Tokugawa period, the temples still had important administrative and diplomatic privileges, for instance in the issuing of passports (Boxer 1951, 262). Only later in that period did Zen suffer a setback owing to the rising tide of Confucian orthodoxy.
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