Answer:
A. The North did not allow slavery, while the South depended
on it.
Explanation:
The South always needed slavery for its plantations to get money while the North always didn't like slavery because they were mainly based on service and manufacturing industries.
One physician assisted examination, routine, is say a yearly visit to the cardiologist to examine one's heart after heart valve repair and involves talking to the patient, re shortness of breath or heart pain and also listening to the heart with the stethoscope or if necessary getting a cardiogram or ultrasound or stress done.
The capital of Russia would be Moscow!