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>Critics of this theory claim that women could not succeed in the leadership of a samurai clan. Advocates of the theory refute the critics by noting that women leaders of samurai clans were not entirely out of the question during the 16th century, as was the case of Tachibana Ginchiyo, Ii Naotora, Lady Otsuya, Otazu, Onamihime and others.
But if it's true that women could and indeed did rise to positions of importance during the Sengoku Period, why would Uesugi have to keep it a secret?
Assuming it was indeed a secret and not just information not well passed down