Many people rightly consider the Holocaust to be one of the most inhuman crimes to ever be committed by mankind.

The use of flamethrowers in war was banned because people believed that burning their enemies was too inhuman.

Despite the fact that most major countries have access to nuclear weapons, as a whole the population considers them too inhuman to actually use.

While the bombing of Hiroshima and Nagasaki is viewed as inhuman now, at the time of the events nuclear weapons seemed to be the only viable option to end World War Two.

Chemical weapons are considered inhuman and are not used by any official government military force.