The correct answer is C) By comparing different city-states and their eventual conflicts.
The author primarily structures the text by comparing different city-states and their eventual conflicts.
Although you did not mention the name of the text or its reference, here we are talking about the text called "The Rise of Greek City-States: Athens Versus Sparta."
What the author does is to write about ancient Greece and its two most important city-states: Athens and Sparta, and how these city-states developed alliances with other Greek city-states, that end up confronting in the Peloponnesian Wars. The author says that Athens was a cultural place where great philosophers developed great knowledge, meanwhile, Sparta was a city-state known by their fierce warriors.
Answer: C
Explanation: By comparing different city-states and their eventual conflicts.
