The answer is C. no author was listed.
Regardless of whether the author is credible or important, you always have to give credit where it's due
Answer:
The first portion: Ultimately pointless as it was fierce and acrimonious, means that that it was as much of a waste of time as it was aggressive and fueled by fury. Second they acknowledge that it was not that the couldn't prevent it but they didn't know what happened.
Explanation: