Identify the kind of clause below belong to adverb clause (ADV), adjective clause(ADJ), or noun clause (NC) 1. While people lived peacefully, a wicked witch cam

Identify the kind of clause below belong to adverb clause (ADV), adjective clause(ADJ), or noun clause (NC)
1. While people lived peacefully, a wicked witch came to know about the golden bird.
2. The princess and the golden bird will sing mesmerizing song, where all people in the kingdom peacefully sleep.
3. She had one glowing golden bird who will visit her in the evenings