Harvey's presence on the show is sure to hold a ton of promise for Season 4, especially because it means that Claire officially has someone in her corner to help her get a leg up on her husband (which, spoiler, is going to be very important to Claire's #goals this season!).
Independent clauses can stand alone as sentences. To be independent, a clause must contain a verb and asubject and not begin with a subordinating word or phrase.
An independent clause is a clause that can stand alone as a sentence (i.e., it expresses a complete thought). An independent clause, like all clauses, has a subject and verb. When there are no dependent clauses in the same sentence an independent clause, the independent clause is a simple sentence.