So could be wrong but 1 is A 2 is C and 3 is B what you had.
Answer:
A transcend
B precarious
C propensity
D transcend
E stimuli
sorry that im not helping that much as im not really sure about my answer but i wanted to give a try
C. Germany's attack on Russia was similar to betraying all the rules of civilization.
Russia's intention was clearly aimed at making peace with Germany, otherwise they would not have signed the peace treaty. The fact that Germany then turned around and broke that treaty because of how horrible their leaders were, shows that they were not following established rules of civilization.