Whatever the purpose/nature of a WAR there is nothing CIVIL about it. The least CIVIL is a war among people within a country. UNCIVIL WAR?

CIVIL
Adhering to the norms of polite sociial norms; not deficient in common courtesy

The synonyms
Respectful deferential courteous, gracious, compliant

So the union/confederate war was very UNCIVIL What bozohead believes otherwise?