Answer:
The correct answer is 3: Politics.
Step-by-step explanation:
The Hittites were an Anatolian people who established an empire in Anatolia around 1600 BC.
In one hand, their nobles were very involved in the practice of conducting treaties and alliances with neighboring states. Moreover their were the earliest known pioneers in the art of international politics and diplomacy.
In the other hand, their people controlled a great amount of trade routes and were very involved in the metal sources.