치안유지법
The (JCP) was founded on 15 July 1922, as an underground branch of Comintern by a group of socialist activists, including Hitoshi Yamakawa, Kanson Arahata, Toshihiko Sakai, Kyuichi Tokuda and Sanzō Nosaka. Outlawed at once under the Peace Preservation Law, the JCP was subjected to repression and persecution by the military and police.