治安维持法
Meanwhile, the disgruntled former "samurai" vented their dissatisfaction at the state of affairs in a series of revolts, including the Saga Rebellion of 1872, and others, cumulating in the Satsuma Rebellion. After crushing these revolts by military force, the government also passed the Peace Preservation Law of 1887. The Meiji Constitution was issued two years later in 1889.