The Pax Romana happened under Augustus' rule.
The country pursued a policy of isolation.
The country had an economy based on agriculture.
Tokugawa pursued a policy of isolation by issuing edicts that basically closed Japan to all foreigners and prevented Japanese from leaving. The population was required to engage in only agricultural activiteis
As the head of the administration of his province, the satrap collected taxes and was the supreme judicial authority; he was responsible for internal security and raised and maintained an army.They served as the chief judge for their region, adjudicating disputes and decreeing the punishments for various crimes. Satraps also collected taxes, appointed and removed local officials, and policed the roads and public spaces.