<em>Civil wars and foreign invasions showed that the empire had become too large to be ruled by one person.</em> :-)
Rightness. the answer is rightness<span />
Answer: C- U.S begins bombing of Cambodia
Explanation: I just got it right on USA test prep.
The Mycenaean civilization during the dark age became a time of destruction. There were invasions,earthquakes and famine (little food). With the collapse of this civilization and sudden disappearance of writing evidence we have little knowledge as to what really happened during the dark ages.