Answer :
Answer:
Revolutions have been rare but momentous occurrences in modern world history. . . . They have given birth to nations whose power markedly surpassed their own prerevolutionary pasts. . . . Nor have revolutions had only national significance.
Explanation:
The Argument author make is that Revolution changes the whole scenario of a Nation, its politics, society and culture.
Significance of Revolutions
In the first paragraph the Author is highlighting the significance of Revolutions, it suggest that revolution have been rare in history of Modern World, but whenever it occurs it changes the scenario of a Nation and to some extent its impacts can be seen on the international politics.
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