Lincoln- “Second Inaugural Address”.. To what event is Lincoln referring when he says, “On the occasion corresponding to this four years ago…”?

North korea is using the book to convince their school children that george w bush is just as bad as hitler was. a single text can be used for many purposes by how its read to students and how it can be altered in many ways. i also think that anne's purpose for writing the diary is to express her feelings. because she had no one to talk to.