The main reason that would make a country to end its participation in a war because it has become immoral is the presence of war crimes.
<h3>What are War Crimes?</h3>
This refers to the inhumane actions that a person or soldier, usually fighting in a foreign country metes out on people, such as unprovoked aggression, extra-judicial killings, genocide, etc
Hence, we can see that the presence of war crimes is the main reason why a country would pull out of a war and claims it is immoral as this would have infringed on human rights.
Read more about war crimes here:
brainly.com/question/1550237
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If the question is talking about the way itself then the answer would be A, as the war was in fact a very popular event in Britain. The person who said it was C is incorrect as the British were very well supplied by loyalist farmers and the Navy, which was one of their advantages.
May I see the answers you can choose from? This is likely to be a multiple choice question, and I can't help without knowing the full question.