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Which territories did Tokugawa Ieyasu control by the early 1580s?

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Statue of Tokugawa Ieyasu in ornate robes holding a bow, with arrows on his back, at the Tosho-gu shrine in Nikko, Japan. — Tokugawa Ieyasu Statue of Tokugawa Ieyasu at the Tōshō Shrine in Nikkō, Japan.

By the early 1580s, Tokugawa Ieyasu had established himself as a powerful daimyo by expanding his territory eastward from his home province of Mikawa.

In addition to Mikawa, his domain included the following four provinces:
* Suruga
* Tōtōmi
* Kai
* Southern Shinano

These territories formed a fertile and populous region stretching from Okazaki eastward to the mountain barrier at Hakone.12