Answer: The most obvious example for this is from the battle of the bulge, where hitler tried to turn the tide agansit the american forces by reapeting the strategy he did against the french 5 years ago. Trying to punch a hole through the enemy lines and use tanks to mop up the infantry. This worked to some degree, with an american force being trapped in a town during the battle.
Leonidas, one of the two kings in the Spartan diarchy, died fighting the Persian Invasion at Thermopylae. He had a force of three hundred Spartans, augmented by a thousand or so soldiers from his allies. He had sent the main part of his force in retreat, and was holding the pass at Thermopylae in order to give the Athenians and the other Grecian states more time to prepare against the Persians. <span />
1. it recognizes the fact that i am a human being who deserved to be treated humanely
2. puts into writing laws that secure such treatment.
Conquered people often times became prisoners or servants to the elite of the land they now belonged to.