History Ch - 1 Introduction: How, When and Where — Social Studies STD 8 — Question

The British preserve official documents due to the following reasons 
→They believed the recorded documents would make it easier to research and debate afterwards. 
→These documents recorded the thoughts and interests of the officials. 
→They believed that the act of writing was important, so every instruction, plan, policy decision, agreement, investigation had to be clearly written up. 
→The notes and reports that district officials prepared, or the instructions and directives that were sent by officials at the top to provincial administrators can be studied in future.