This sentence technically doesn't contain an error in verb-noun agreement, however the noun "each one" is odd here. It should be "everyone"
Answer:
C
Explanation:
Aristocrats took over the government. Women gained equal rights to men. Voting became organized by social class. More people gained a voice in the government.
The choice that was not a factor is America gained European territory after the war and was able to export products to Europe and Africa without economic barriers. America in fact sent much aid to European nations under the Marshal Plan to help rebuild european countries.