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.
The answer would be C. the Great Plains
World peace should be met by others giving in responsibilities of their own. this is all ill give you its called u have to do your own work.