War Is Ethically Wrong

My thesis is that war is ethically wrong. My main argument goes as follows: Any action that kills an innocent person without their direct consent is ethically wrong; war kills innocent people without their direct consent. Therefore war is ethically wrong.
The first premise of my main argument states that any action that kills an innocent person without their direct consent is ethically wrong. On average, many people would agree with this statement. To kill an innocent person for whatever reason would hold up as murder in a court of law. …