Sentence Correction (SC) | The overall slackening of growth in productivity is influenced less by

"the end of a period of hostilities" remainsambiguous. Does it mean the last part of the period, or does it mean the fact that the period is/was ended? The ambiguity alone makes this wrong. You're going to have a really hard time finding a sentence in which "the end of a period" isn't at least a little bit unclear. But also, I would tend to assume that "the end of a period" is the last part of the period, and if it is truly the last part of the period of hostilities,
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