Hey, the answer that best fills in the blank would be B.) Subordinate Conjunction.
When joining two independent clauses with a comma, a subordinate conjunction needs to accompany the comma.
They include their works with children of the jewish due to the soviet union being controlled out of fear
I think the reason why the summary need to be revised is : C. the summary lacks transitions that connect ideas
For example, we need to add transition between -enkai wanted to save his cattle- and -He grew a tree that bridged the sky and the earth-