Answer;
C. a common language.
In the 1800s, an important motivation for both "old" and "new" immigrants to settle in ethnic neighborhoods was a common language.
Explanation;
The old immigrants came from the northern or western Europe while the new immigrants came from southern or eastern Europe.
Old immigrants were protestant while the new immigrants were Catholic , Orthodox or Jewish.
The result was that tariffs were lowered which bothered lobbyists but had great support from the public. The trusts were slowly beginning to end because of the Federal Trade Commission Act of 1914 and Clayton Anti-Trust Act of 1914 that was meant to end monopolies in businesses. The banks were reformed with the Federal Reserve Act of 1913 which is still used today, only modified.
Because direct evidence was so scarce during the time of Ancient Greece, ancient historians had to rely heavily on story telling and embellishment, which that would never be tolerated with a modern historian.
I think the answer is no (sorry if i am worng!)