Final answer:
Florence Nightingale believed that promoting good health and treating the ill were nursing priorities. She highlighted the importance of sanitation and access to hospital facilities to prevent infectious diseases.
Step-by-step explanation:
Florence Nightingale believed that the promotion of good health and treating the ill were nursing priorities. She emphasized the importance of sanitation and access to hospital facilities to prevent infectious diseases. Her analysis of data during the Crimean War illustrated that most casualties were due to preventable diseases, leading to reforms in medical care.