Answer:
A conclusion that is in favour:
"Using public money to maintain national landmarks is a good policy in the sense that a national landmark is a public good: no one can be excluded from enjoying the view of a national landmark like the Arch in St. Louis for example.
Because they are public goods, national landmarks are not likely to be profitable or provided by the private sector in a free market, and for this reason, government intervention in the form of public money becomes necessary".
I think it is an idiom but I might be wrong
In-text citations: Author-page style. MLA format follows the author-page method of in-text citation. This means that the author's last name and the page number(s) from which the quotation or paraphrase is taken must appear in the text, and a complete reference should appear on your Works Cited page.<span>
Source: Purdue OWL: MLA Formatting and Style Guide</span><span>owl.english.purdue.edu/owl/resource/747/02/</span>
From the given topics, the research topic that is too broad is option A. The music industry has a long and colorful history and includes many types of companies and professionals who create, market, and sell music of all genres. This is very broad because the music industry composed of different fields. It may talk about the history, the professionals, how music were made and what makes it saleable, and also what are the different genres.