noun
Peace Preservation Act
Historical Japanese law (1925–1945) used to suppress political dissent; often discussed in modern contexts as a symbol of pre-war repression.
治安維持法は1925年に制定され、1945年に廃止された。
The Peace Preservation Act was enacted in 1925 and abolished in 1945.
歴史の授業で治安維持法について学んだ。
We learned about the Peace Preservation Act in history class.