Every evening, ramin must knock on his front door three times before going to bed. he discovered that this was an effective way to ward off robbers. his knocking on the door is an example of

Ramin's knocking on the door is a compulsion.

Compulsions are repetitive behaviors or acts that individuals feel compelled to perform- such as knocking on a front door three times before going to bed.Compulsions stem from obsessive and intrusive thoughts and beliefs. Other examples of compulsions include: repeatedly washing one's hands, checking to see if doors are locked and arranging things in a particular manner.

Japan's government is dictatorship.