I would write about writing! What better thing to write about. If it’s your passion, you definitely should. I’d love to read it!
The poet is using a metaphor. Your answer is correct.
The best answer Is <span>Through dint of hard pulling, we accomplished the whole distance in family</span>
If you are referring to time, it is the mythical past of King Arthur's court (sometime after Rome's fall).
If you are referring to place, there are many places here: Camelot, the wilderness, Bertilak's castle, the Green Chapel, etc.