D)the mongols established a central code of laws and policies
Answer:
history
Explanation:
A narrative account of the experiences of the men who flew on B-17 bombers during World War II researched in field of history.
Answer:
Answer is clinical psychology.
Explanation:
Clinical psychology involves the treatment of mental illness and behavioral difficulties. The psychologist will help the client in identifying emotional or mental problems. This is done through interviews, where he diagnose existing or potential disorders. The psychologist made use of talk therapy only for treatment .