Answer:
A revolution is a sudden, radical, or complete change. b : a fundamental change in political organization especially : the overthrow or renunciation of one government or ruler and the substitution of another by the governed.
Explanation:
I think the answers are: B (turkey, in secret); C, as Russia removed their missiles as well; and E. A is not true and D is also not true, the USSR had just shown they were forming alliances with other Communist countries and were using nuclear weapons.
Hope this helps!
You should be able to get the answers from this chart ;)