Question

how did the British preserve the report and documents
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Answer 1

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The British felt the need to preserve all the important official documents and letters. For this, they set up record rooms attached to all administrative institutions. ... The British also established specialised institutions such as archives and museums to preserve important records.

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Answer 2

The British felt the need to preserve all the important official documents and letters. For this, they set up record rooms attached to all administrative institutions. ... The British also established specialised institutions such as archives and museums to preserve important records.