Assuming the italicized clause is <em>Since its establishment, </em>the correct answer here is elliptical clause.
Elliptical means that a word which would normally be part of a sentence is excluded, usually for stylistic reasons. Here, the verb is missing, which is why it is elliptical. The question is oddly formulated too - given that there is no verb here, it cannot be a clause, but rather a phrase, but since there is no such option here, then the correct answer is elliptical clause.
Answer:
He sees different aspects of how cases are handled which also helps him when writing because he can view different points of views. This ties into his responsibility as an author because it’s part of his job to reach out to the public about this kind of everyday problem.
Explanation:
^^
You will have to provide the comparison notes for anybody to answer this question correctly.
