I do not know the answer but I think it might be D. or A.
Answer:
D.
Explanation:
The Russian Civil War is a bloody, 6 long year conflict resulting in 7 to 12 milions total casualties. In contrast, WW1 costed about 40 millions lives worldwide. Which means the Russian Civil War has 1/4 of the casualties of WW1, one of the deadliest in history.
The technology that was ignored prior to the attack on the
Pearl Harbor was the radar. The reason that it was ignored during the attack
because of the fact that it wasn’t new or evolved and that it is still
considered to be experimental.
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