In the book all quiet on the western front- what does paul mean when he says "it is very queer that the unhappiness of the world is so often brought on be small men"?

In this excerpt, the author is saying that it is strange to see how a lot of unhappiness can be brought on by "small men," or men who are not particularly powerful. This applies to Kantorek, the teacher. Although he is not "powerful" as a teacher (in the sense of being celebrated or rich), he is able to bring a lot of misery to the world by persuading his students to join the war.

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answer: kim jong un.