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 answer is NOT determining the goal and criteria. I just took the test and got it wrong.
My best guess would be that it is D. conducting background research
Common sense is sound of practical judgment that is independent of specialized knowledge, training, or the like; normal native intelligence. <span />