From 1920, Abe worked as a professor at
Hosei University; however, he toured Europe extensively and spent some time at
Heidelberg University in 1924 where he studied
Kantian philosophy. In 1926 he accepted a position at
Keijō Imperial University in
Keijō (Seoul), in
colonial Korea, where he became interested in
Korean culture and
Korean literature. He travelled to China in 1929, visiting
Jinan,
Qufu and climbed
Mount Tai, and noted the strong Japanese commercial presence throughout
Shandong Province. He also visited
Manchuria and noted the increasing Chinese presence in
Harbin Abe returned to mainland Japan in 1940, returning to his alma mater, the Daiichi High School in Tokyo. However, Abe soon ran afoul of the military authorities with his outspoken criticism of the military’s plans to cut short school curriculums to increase the numbers of conscripts, and of
Prime Minister Fumimaro Konoe’s efforts to create a single-party state. Although occasionally harassed by the
Kempeitai, he was not arrested. ==Political career==