Revised textbooks on the Mandan, Hidatsa, & Arikara Nation (Three Affiliated Tribes), the Spirit Lake Nation, the Standing Rock Sioux Tribe, the Turtle Mountain Band of Chippewa Indians, and the Sisse ...

In fact, such books are gradually increasing in Japan ... It would also be a good multicultural lesson for Japanese children. (Japanese original by Ayako Oguni, Opinion Editorial Department) ...