In grammar there are various types of complements. In grammar a complement "is a word or group of words that completes the predicate". In this case specifically, the complement has the function as a subject complement. The subject complement reflects who the subject is talking to (they complement). In this sentence we know that the coach gave few words of encouragement but we wanted to know to who and that is when the subject complement comes in hand (the team).
You're allowed to apply for section 8 housing anywhere in the United States, you just have to live within the area of the housing authority once you know that you may begin to get rental assistance.