The word pair that would be best to complete the analogy: emblem:insignia is the guard:sentinel. An analogy is a similarity of both things. The words guard and sentinel share the same meaning just like the analogy; emblem:insignia. The answer is the analogy guard:sentinel.
C. The cruel reality of war.
Answer:yes
Explanation: a comma needs to be after the word over
I'm sorry but could you ask the question more specifically? It does not make sense reading it out now. :) I would be happy to help if written more clearly though!