How does am ʿalaynā jarā Ḥanīfah continue the argument?

al-Ḥārith ibn Ḥillizah: Covenant, Tribal Liability and Royal Testimony — Conclusion (verses 68–82)

• It measures a camel’s speed
• It rejects blame for another tribe’s actions
• It gives a new treaty location
• It explains a traveller’s tent