Answer:
The answer is **Anaya establishes his credibility as a published Chicano author by discussing his career experience.**
In the excerpt, Anaya states that he has been writing for a quarter century and has been a published author for eighteen years. He also mentions that he was part of the Chicano Movement, which created a new literature in this country. This information establishes Anaya as an experienced and knowledgeable author who is qualified to speak on the topic of cultural identity in literature.
Anaya's use of rhetoric in this excerpt is effective because it appeals to the reader's sense of logic and reason. By providing evidence of his own experience and expertise, Anaya makes a strong case for his conclusion that writers should not have to leave out the crucial elements of their language and culture to contribute to American literature.
Step-by-step explanation: