 Surprisingly to some, although Hasegawa wrote essays protesting that journalism must remain neutral and above politics, he also wrote in favor of the Greater East Asia Co-Prosperity Sphere, in which he saw the potential for the favorable development of Asia economically and culturally under Asian, rather than European influence.In 1946, Hasegawa became a member of the House of Peers for its last session before the abolition of the Meiji Constitution.In 1947, he was elected to the Japan Art Academy, and in 1948 he was awarded the Order of Culture by the Japanese government.