The GReeks believe that the God's controlled nature and guided their lives.
The answer to this question is: Invention
The romans civilization was known as the civilization that made the most inventions during that period.
One of their famous inventions is the development of wheels, that allow us to carry several objects that weigh several times heavier compared to our body weight.
Slaves were to be counted as 3/5. The Constitution states, "three-fifths all other persons.
I think that a good word for this would be "enthnocentrism": the belief that one's culture, or one's enthnicity is superior to others, or more important than others (even to oneself: so my culture is more important for me than other cultures: this also would count).
