What purpose do the quotes by scholar Alan Schom serve in the section entitled "Napoleon's Legacy" ?

What’s the difference between extract and abstract as nouns and verbs?

Reading a stream of consciousness narrative is like reading a journal that is unedited and unorganized. reading a book that is based on facts. reading something that is clear and easy to understand.

What do u think u might go with a bestfriend that u don’t do with everyday friends( school friends)