The first civilization was Greece, which is in the south-east part of Europe.
The most obvious reason is that one has to pack up and go because things are not so good at home. Long ago, that probably meant that the climate had changed and made life impossible. It might have become too hot or too cold or too wet, which in turn would have affected not only quality of life but also make survival a shaky proposition. Drought, flood, and temperature changes could certainly push people to move on.
I hope that helped a little.
I got this question right and I can confirm that I would be A because companies were starting to fall apart once the New Deal hit the U.S.
When the court renders an opinion, the Chief Justice- when in the majority-decides who writes the courts' opinion. So the answer is C