Why was the code of conduct created in war?

What does the expression labor exchange mean? Where does slavery still exist? Name something you'd have to get used to if you moved to Russia? A famous and controversial omission in the Declaration of Independence is the section condemning the king of England for enslaving Africans? What did ancient Egypt call their monarchs? What happened during 1887-1986? Why did Islamic civilizations prosper in the middle ages? Who supported Harold in 1066? Why could the colonist be tried for treason? What new problems accompanied the growth of factories? When was The Declaration of Independence actually approved? What was true about the Sherman anti tray act? Why was the silk road important to the development of china as a powerful civilization? What if the Mayans ran out of room in the calendar? What sorts of swear words were used in the Elizabethan era? According to archeological records which civilzations were the first to record measurements? Are the mayans wrong about 2012? What does the acronym rimiccis stand for? What class of merchants and artisans soon took power from rich and powerful families? How does the sphinx moth use coloration to protect or conceal itself?