109 was issued in the name of the Japanese emperor prohibiting POWs, cooperators of World War II, those belonging to Dai Nippon Butoku Kai, Taisei Yokusankai and Gokokudoshikai from engaging in public service in 1946.
Especially in education and mass communications, leftists and communist sympathizers gained power, which was against the desire of occupation authorities.
Nevertheless, the purge of government officials, including judges and those belonging to Tokubetsu Kōtō Keisatsu, was less strict; the latter went to other posts.
The policies of the Occupation authorities began to change with the cancellation of an intended February 1, 1947 general strike, which marked the start of the "Reverse Course" in Occupation policy, as goals shifted from demilitarizing and democratizing Japan to remilitarizing and strengthening Japan's economy.
In 1950, individuals purged earlier in the occupation began to be depurged, including some former military officers and conservative politicians.