The first known diplomatic letter was a message sent by the King of Ebla (in northern Syria) to the kingdom of Hamazi (north of Iran today), which shows a similar style of language and contend of modern diplomacy. This letter provides a clear evidence of the existence of a well performing mechanism, in which both sides knew the rules. The letter was not written by the king himself, but through the voice of an official, and was not directed to the Hamazi King but to his envoy (Podany, 2010: 27). Since the Ebla region had priority in trade, diplomacy was mainly a part of their trade relations, the reflection of which could also be seen in the Ebla letter. The correct answer is Choice A.