What rule in the Code of Chivalry, did Sir Gawain break and cause the Green Knight to mock him?

Question

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1 point
Thou shalt respect all weaknesses, and shalt constitute thyself the defender of them.
Thou shalt not recoil before thine enemy.
Thou shalt never lie, and shall remain faithful to thy pledged word.
A new love puts to flight an old one.

Answer 1

The rule in the Code of Chivalry that Sir Gawain broke and caused the Green Knight to mock him is "Thou shalt never lie, and shall remain faithful to thy pledged word."