Answer:
C. Primary or Secondary sources related to the event.
Explanation:
A historian using primary or secondary resources related to the events is the most reliable.
Answer:
B: Through military campaigns and alliances, he unified Mesopotamia under one ruler.
Explanation:
Hammurabi conquered Elam and also the city-states of Larsa, Mari, and Eshnunna. He managed to dethrone the king of Assyria Ishme-Dagan I, and also made his son to pay tribute. This was the time when he successfully brought the entire Mesopotamia under one ruler. Mesopotamia was now under Babylonian rule. Moreover, he also introduced the Code of Hammurabi which received from the Babylonian god of justice. The code offer no compensation for committing heinous crimes.
I believe the answer is a
