I think it would be:
And we knew the disaster, which would come to this Nation, and to all peace-loving nations, to all civilization, if they had found it first.andWe have used it in order to shorten the agony of war,
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Answer: the answer is B
Explanation: the republic is first since it starts off at 1949 then the great leap that was in the 1958 after all that the last one would be economic reforms since its counting the data and was dated at 1978
They wanted high factory wages. So the answer is A
After the civil war, railroads connected the country on a national scale, boosting the economy and leading to mass production, mass consumption, and encouraging entrepreneurs.