马克思提出了一个新理论，认为历史变革是由于对立集团的冲突而产生的。

Marx produced a new theory about historical change based upon conflict between competing groups.

《柯林斯英汉双解大词典》

最后，我还有说亨廷顿误解了历史变革的性质。

Finally, I'd say Huntington misunderstood the nature of historical change.

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先秦是中国历史上发生重大社会历史变革的时代。

The early days of Qing Dynasty is a time when great social changes were happening in Chinese history.

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Look at the great realignments in American political history.

看看美国政治历史上的各项重大变革吧

耶鲁公开课 - 美国内战与重建课程节选

So now we've said something about the economic change and something about the political change, and next hour, I'll start with the story of the military change that has so many significant consequences. Okay.

这节课我们讨论了经济变革,和政治变革,接下来,我们将会学到军队的变革,及其重要的历史意义,好的,下课

耶鲁公开课 - 古希腊历史简介课程节选