Complex sentence: The strip's publication began in Kodansha's "Shōnen Kurabu" in 1931, and was based on the Imperial Japanese Army of the time; the manga artist, Suihō Tagawa, had served in the Imperial Army from 1919 to 1922.
Split into simpler sentences: The strip's publication began in Kodansha's "Shōnen Kurabu" in 1931, and was based on the Imperial Japanese Army of the time. The manga artist, Suihō Tagawa, had served in the Imperial Army from 1919 to 1922.