1900s: Quiz

the nationalist activities of India House in the early 1900s led Valentine Chirol to describe it as the "most dangerous organisation outside India"?
in the early 1900s the illegal paramilitary Combat Organization of the Polish Socialist Party assassinated hundreds of Russian officials, policemen and secret agents responsible for repression in partitioned Poland?

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Question 1: The period from 1900 to 1909, known as the ________

Question 2: The period from 1900 to 1999, almost synonymous with the ________ (1901–2000)

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