History
International Humanitarian Law in Asymmetric Warfare
Quick fact
The 1977 Additional Protocols to the Geneva Conventions were partly a response to colonial wars and guerrilla warfare, but the legal definition of 'combatant' still largely assumes a state army—leaving many modern fighters in a legal gray zone that states exploit.
Why this is interesting
Most people agree that some things are simply unacceptable even in war. But when your enemy doesn't wear a uniform and hides among civilians, who is a legitimate target?