Which feature of epic poetry does this passage most clearly show? supernatural forces challenging the hero a vast, distant setting a god intervening in human affairs

The passage shows the intervention of gods in human affairs.

Although part of your question seems to be missing, you might be referring to this full question:

Enkidu said, "Don't worry, my friend, the dream you had is a favorable one. The gigantic bull is no enemy of ours. He stands for the very god who has us, bright Shamash, our protector, lord of the sky, who in every danger will come to our aid." –Gilgamesh: A New English Translation, Stephen Mitchell.

Stephen Mitchell's epic narrative about Gilgamesh is one example of epic poetry where the hero Gilgamesh overcomes various obstacles. But at the same time, it also shows how gods interfered in the affairs of humans. Thus, the correct answer is that the passage clearly shows the feature of a God intervening in human affairs.

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as for symbolic actions, the narrator's tearing down the wallpaper in an attempt to find the "woman" in the wallpaper represents her struggle to retain or regain her sanity.   the wallpaper has been part of her confinement and by her tearing it down, she is freeing herself from that confinement.

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