Read the introduction to an argumentative essay about entrepreneurs and free enterprise. Mary Kay Ash wanted to write a book about women in business. Instead, what transpired was a business plan for Mary Kay, Inc., a cosmetics company. In a free enterprise system, people like Mary Kay Ash have the opportunity to make their own economic decisions and create their own influential businesses. The introduction is effective because it .

The introduction is effective because it has provided a brief background about the essay's subject.

Explanation:

A. provides a brief background about the essay’s subject.

Explanation:edge 2021

- "a nonrestrictive clause functions as a modifier to a noun (that is an object, person or concept). these clauses can be described by the following three options: it is set off by comas, it contains a subject and a verbs and it adds nonessential information to the sentence.

for example, in "here is bill gates, who confounded microsoft software company" we can identify "who confounded microsoft software company" as a nonrestrictive clause modifying the noun bill gates. this clause can be describes as a nonrestrictive clause because it is separated by a comma, it adds nonessential information to identify who bill gates is and it must contain both a subject (who) and a verb (confounded)."