Answer:the answer is D.
Explanation: Documentaries are examples of primary sources.
I would say A would be your best option
The Russian Empire was compromised of a vast amount of lands, so subsequently there are dozens of different ethnicity's across it including the Bashkirs, Yakuts, Nogais, and etc.
Great Britain remembered the war because they had a conflict France. Overall, the British won. Count that as their victory.
The personal judgement based on unfounded evidence is bias