Question

why did the british preserve official documents​

Answer 1

British preserved the official document because they thought that the act of writing was very important to run and govern a country in a better way. they believed that it would help them to systemic the reports and official document and in this way they can be used further.

Answer 2

$\huge\mathbb{ANSWER}}$

One important source is the official records of the British administration. The British believed that the act of writing was important. Every instruction, plan, policy decision, agreement, investigation had to be clearly written up. Once this was done, things could be properly studied and debated.