Violence in war must have a limit. Those who are not participating in the hostilities should be protected to prevent war from sinking into barbarity. Today, this is safeguarded by international humanitarian law (IHL), of which the cornerstones are the four Geneva Conventions of 1949 and its Additional Protocols. IHL provides for the wounded and sick to be collected and cared for by the warring faction that has them in their power, and for them to receive timely medical care. Traditionally, those entering into conflict could be expected to uphold these laws. Download here.