This book talks about the issue of monopolizing the media and burning of books.
<u>Explanation:</u>
The book Fahrenheit 451 talks about the issue and the problem of burning the book because at that time of the past, the books were banned.
The deeper meaning of the book was to control the media and monopolizing the media which will have an adverse affect on the society and the generations which are to come in future where no one would be connected to each other and there would be a lot of dependence on technology.
A colon is used to demonstrate a list. In this case, you are listing the places where funding for libraries is not prioritized. Thus, it would be appropriate to insert a colon before it.
