Answer
The Taishō and early Shōwa eras, spanning the early 20th century in Japan, marked the years that Kenji Miyazawa lived and created his renowned literary works. The Taishō era, from 1912 to 1926, was a period of significant social and cultural transformation, while the early Shōwa era, starting in 1926, faced challenges such as the Great Depression and the rise of militarism.