The words 'is more today than ever before' complete the sentence correctly, as mentioned in the line "At this stage of civilisation, when many nations are brought in... it is essential, as never before... that they should begin to understand a little of... mentality."
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Answer:
The words 'is more today than ever before' complete the sentence correctly, as mentioned in the line "At this stage of civilisation, when many nations are brought in... it is essential, as never before... that they should begin to understand a little of... mentality."