B. The rise of the Roman Empire
Answer:
The answer is biopsychosocial model.
Explanation:
As the name implies, this branch of psychology studies the relation between biological, psychological and social factors, and focuses on how these circumstances affect our development.
In recent years, social factors have had a bigger role in this area. It is used mostly for understanding health and illness.
The answer would be B.) opportunity cost because it is the result of a trade-off, the trade-off being Shari choosing to donate to charity.
Answer:
They needed resources that Scandinavia could not supply