Chapter 19 (Cities of Refuge, Boundaries, Witnesses)1. Why were cities of refuge established? Does it provide protection to the guilty? Who is the avenger of blood? (1-13) 2. How are the land boundaries respected? (14) 3. What is the role of witnesses? What is the punishment for false witnesses? (15-20) 4. What is the law of retribution? (21) 5. What are the four commandments covered in this chapter?