The answer is the first one, crime statistics of youth in cities that have curfews. If crime rates are lower, the curfew most likely works.
It was a clash of civilization because it involved tensions between two civilizations pursuing different ideologies, in the main spheres which are military,economic,political,cultural and diplomatically. The two nations were the soviet union and the USA.
The passage shows the idea of Humanism where the man was made the center of the universe. The passage refers to Greek classical literature which had focused on the human and human values and had made him the most valuable asset. Everything centered around the benefits and development of the individual.
It was based on livelyhood.