It emphasizes the betrayal of the Japanese, as well as the severity and the number of the attacks.
A phrase is a set of words that don't have a subject doing a verb.
A clause does have a subject doing a verb.
So therefore, 1 would be a phrase, 2 would be a subordinate clause, and I'm sure (or hope) you can figure out the rest..?
Your answer would be A. Their attitude
Juggling Is Hard Is A Sentence.
