Answer:
Because the gods wanted Antigone to complete the ritual, and so they gave here wind. Remember that this is told through the fates, so the gods must have had something to do with it. And through that, Creon´s decree was unjust so they had to do it.
Answer:
It is C. for me
Explanation:
The other ones are using passive voice because the subject is a recipient of a verb's action.
(I'm assuming these sentences are all in past context)
1. He failed because he did not listen to the advice of his teacher.
(Adding did will maintain the past tense of the sentence)
2. He learnt that he was ill but could not go to see him.
(Changing be to was maintains the past tense. Could is past tense as can is present tense)
3. He said that he came to our house to discuss the matter.
(Came is past tense as come is present tense)