trauma because "deep emotional scars" normally mean something that scarred them for life such as trauma. if its not trauma i am extremely sorry but i took the quiz and tried cuts and weakness but they were both wrong. i hope this helps! :)
My English is a tad rusty, but I think the subordinating conjunction is "because".
Answer: Roger throws rocks around Henry because of his "superego" insists that he doesn't throw the rocks at Henry. He throws the rocks due to their being no parental authority telling him not to, but he himself doesn't hit Henry with the rocks because that isn't how Roger grew up to behave as when he was learning as a child.
The choices the poet made between similar words should be the correct answer.