It's B dude. A. isn't right and b just seems the most reasonable.
Answer: The list of cities conquered by Sparta and Rome.
The description of how Sparta had held Greece.
The explanation of how Rome dismantled Greek cities.
Answer: Restate the main points, without giving out any main details.
Explanation:
While restating, you shouldn't restate your thesis, or theme. That would be simply repetitive. You also should not push your ideas forward, or, give evidence. The sentence itself should be considered a well-fit conclusion, as to not cut off your thoughts. These are every teacher's guidelines for concluding sentences of every writing type, excluding narratives.
B. Teenagers have a lot of variation in their behavior
