Answer:
Due Soviet Union outstanding military unit supplies, and because most like they enter war late.
Explanation:
Making them dislike other ppl like colonists because of the war which was disastrous and some would improve befriending other ppl like colonists.
Mean is found by adding all numbers and dividing by the number of numbers added.
1)Mean = 10.5
Median is found by lining the numbers from least to greatest then crossing off the larges number then smallest then largest then smallest etc. Till you reach the middle and last number
Median = 10, because this number is in between 9 and 11
That's the first one I believe that will help you figure out the others. Hope that helps