The answer is B: speaking to a friend
Answer:
d. Realism and Modernism
Explanation:
The theme of disillusionment is most talked about in the Modernism and Realism era, during the first part of the 20th century, which included the two world wars and the great depression, reflecting the disappointment of the US population.
Thus, the correct answer is given by option d.
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.