Although there are numerous factors that can affect a counties GDP, especially today when the entire world is so "connected", a major reason why GDP fluctuates so much in this part of the world is that these economies rely primary on agriculture, which can be profitable one year and then not profitable the next, due to weather changes.
Answer:
D, The civilization had a functioning government in place that decided the law of the land.
Explanation:
Not all civilizations were ruled by kings. The king of this civilization didn't use a pictogram script. It couldn't have been ruled by a group of governors because then, the archeologist wouldn't have found the king's seal for letters.