I'm not 1000% confident in this answer but I believe it's B) to inform readers about the tactics Sparta and Rome used to hold cities and their effectiveness
Answer:
i hope this is what you're looking for,
A good argument must have: true premises, be valid or strong, and have premises that are more plausible than its conclusion.
Firefox, Google Chrome, Safari and Opera are some of the most famous web browsers. What are they, and what are they good for? They are, definitely, computer programs that help users visit, preview and interact with a website. Therefore, option B is your best answer.