Is religion a justification for fighting?

Religion has been created to explain the unexplainable. For thousands of years, countless number of people had jeopardized their lives for their beliefs in a particular religion. Since men were able to express their ideas, religion had been the cause of fighting for example, the Crusades. Unfortunately people had used religion as a justification for fighting. Therefore the men who interpret the religion states, that killing innocent lives and looting is all justified and legal, …

…witch. Her religion, or any other religion in the world, does not justify man slaughter. However convincing the Pope might be, the beliefs of a religion, does not justify war. The legal system does not permit that, instead will call the person mental. Many people will die because of religious conflicts. When will people learn killing over a minor difference in belief, is an act of stupidity, and learn to talk about it then fighting.