Several factors came together. Europe had a population that was on average richer than most other cultures. A very competitive commercial class, ships that were superior than other cultures, developed for the rough North Atlantic, and a number of competitive states rather than a single empire.
<span>By the population of the state</span>
I think the last option might be right too
<span> C. Greek settlements belonged to the Confederation of Greece, which elected a leader every four years</span>
