Answer:
Dark Age
Explanation:
The Dark Age came after the end of Mycenaean civilization around 1100 BC.
They are more aware of their behavior and less concerned with what others think
Answer:
This is a common idiom.
Explanation:
This idiom refers to the difficulty associated with starting something, but once you get the ball rolling, it seems relatively easy.
Answer:
Because of all of the trees they cut down.
Explanation:
You can't explain behavior by merely focusing on internal characteristics of a person such as being sadistic and cruel. Such behaviors were not exactly predisposition. They were heavily influenced by external factors like commands from a legitimate power such as Adolf Hitler. The Milgram experiment was actually inspired by the harsh acts of Germans during the WWII. People can actually go to extreme lengths, even if such acts are an attack of one's personal conscience, since they believe the legitimacy of a higher power, consequently making their actions legal or morally right even when it is not.