Because their society is unstable. They allow anyone and everyone in from many different cultures. Hence the cradle part.
The correct answer is letter A. Rome was located on a large river that is why they built aqueducts and sewage systems that eventually paved the way for their great civilization. Water is the main source of agriculture, building, and health for the Romans. Today, a lot of the innovative machines we have are influenced by the Roman Empire.
<span>Increased as a way to improve one's own economic and social opportunities.</span>
He established decentralized private baking systems under federal control
