c. is shaped by the author's own life and experiences
An author's perspective in a text is shaped by the author's own life and experiences because someone will not be able to write effectively and successfully about something that he/she does not know or even experience. The experiences of the authors helps in constructing and developing the idea of a piece the author wanted to write because we can only put our heart into something that we fully know of though an author can still write about the things he does not experience but it is way different to write about something you know personally.
Suddenly disappear. That conveys the thought that something so dramatic happened to society that the first amendment is gone. That should stir every American into finding out what this sentence is about. The first amendment is the backbone of American Democracy and should not ever be ignored.
