Answer:
Option B
Explanation:
Mostly the data sources for a historical writeup involves material sources such as write up about old happening or event, remains of any historical place, museums, etc.
Hence, from the given options the most suitable answer is option B
T its is prior knowledge
wrath.........is your answer
He was taken (abacked) when he found a snake in my room
Answer: A and B
Explanation: C is coming from your own ideas, and D is just not citing a source correctly.