I believe the answer is: Formal region
Each formal region would be differentiated by their own unique government structure that separate each region with the other. Each border on the sides of each region would consist of some sort of boundaries ( could be natural or human made) that accepted by all regions as a legal separation between their jurisdiction.
His older brother's name is Erik
Explanation: Well, DSM contains descriptions, symptoms, and other criteria for diagnosing mental disorders.. it's important because It provides a common language for clinicians to communicate about their patients and establishes consistent and reliable diagnoses that can be used in the research of mental disorders.. ❤️I hope this helps❤️
