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:
A. The theory that the Sun is the center of the universe
Explanation:
Unquestionably, the Heliocentric Revolution is among the most important scientific breakthroughs ever. It involved the systematic replacement of the more recent Heliocentric Model, which accorded the sun global priority, with the earlier Geocentric Model, which put Earth at the center of the universe. From a philosophical standpoint, this would also alter how Western philosophers would need to redefine our significance in the cosmos. By casting doubt on their alleged infallibility in the sciences, it would politically undercut the influence of established religion, which supported the Geocentric model to a great extent.
a. right of access
none of the others really work imo
C is the answer
when the south was in war and then it was finished they had wrecked the town and they didnt know how to rebuild it.