The corret answer is his grave.
The past tense and particle is hurt.
This is because you can't go back into time and "hurt" someone. Its the same for "read". When you read the sentence, you see that it makes sense.
I.E: I read the book on Tuesdays
I read the book on Tuesdays
I hope this helps you.
The excerpt gives us these:
They valued perseverance, bravery, and strength.
They believed the gods were active in people’s lives.
I would say use of language, but I'm not completely sure.