Answer:
The perspective of a single individual can be very good to analyze the facts in a very different way.
Explanation:
For example, there's a book called Mein Kampf, that Adolf Hitler wrote all his thoughts regarding the wars and his story along the years. Through this book we can check his point of view of things, and by that, we can shape our view of the whole Hitler story. It's always a very good idea to get to know lots of points of view in history to shape your opinion regarding that matter.
For that, nowadays, we have internet connection. Internet connection can lead us into a lot of different points of view of many things, and by that way, depending on how you use it, it can shape your opinion faster and easier, but this isn't always good, once this view can be a little bit shallow.
