Answer:
Many people have migrated to urban areas in the hope of a better life.
D. By having the three different branches selected in three different ways, the founders were mixing different government styles. This allowed "everyone" to feel as if they could influence government.
I'm not very sure about this, but I do know that Rome was it's own independant country that was influenced heavily by religion. I'm not sure <em>which </em>religion, but they built their own beliefs off of that one.
But don't listen to me, I'm just a teen that reads way too many conspiracy theories.
I am not sure, but I believe it is the Qin Dynasty