Hi Can someone explain what this sentence means please? I can't figure out the grammar components for this sentence. Thank you
It is a sad but just indictment of some high school history textbooks that they frequently report as controversial claims that historians hotly debate or that are even completely contradicted by reliable primary sources.
Below is a simplified paraphrase of your text. Here is a sad but fair criticism of some history text-books that are used in high school. They frequently say that matters which historians argue about are controversial.
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Below is a simplified paraphrase of your text.
Here is a sad but fair criticism of some history text-books that are used in high school.
They frequently say that matters which historians argue about are controversial. (The word controversial seems fair to me here, because historians are arguing. I don't know why the writer of this text thinks it is not.)
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