I think it is A for they formed a group to fight the whites.
Answer:
How Images and words work together.
Explanation:
On a grind for my first brainlist crown thing :)
EDIT: just saw that you completed it. This comment is now for people who need the answer from now on.
Since this is a timed test I'm pretty sure i'm too late to give the answer but it's C. Hope this helped (although i'm late)
Hey there!!
The correct answer is C. It was the first large- scale in Soviet Victory.
Hope this helps and have a fantastic day! (: