anchor: Although Zen had been present in Japan since the 12th century, its ascendancy began under the Kamakura regime, which found the mystic Chinese philosophy admirably suited to Japanese sensitivity, impressionism, and love of form and ritual.
positive: Although Zen was present in Japan since the 12th century, it was ascended during the Kamakura regime which was very interesting in the Chinese philosophy that seemingly emphasized Japanese values.
negative: Although Zen was present in Japan early on, it was quickly eradicated by Buddhists seeking to destroy those who practiced it.