The Turkish Empire was in decline and Russia, Britain and France wanted to grab what they could from that empire.
The military objected to Nightingale's views on reforming military hospitals.
In reality, Florence Nightingale (1820-1910) was the true 'heroine' of the Crimean War.
Mother Teresa, much criticised for her attitude to 'suffering'. Mother Teresa - Wikipedia
"Nightingale received very little help from the military until she used her contacts at The Times to report details of the way that the British Army treated its wounded soldiers.
"John Delane, the editor of newspaper took up her cause, and after a great deal of publicity, Nightingale was given the task of organizing the barracks hospital after the battle of Inkerman and by improving the quality of the sanitation she was able to dramatically reduce the death-rate of her patients."