Yes if you want the facts of the matter go directly to a novelist who had last been to the U.S. almost 20 years before.
You mean someone without a dog in the fight who hated slavery but could see the bigger picture objectively?
Absolutely.
Good one.
Dickens was an interesting case.
His writing inspired British socialists, but he wasn't any great friend of democracy or racial equality.
Maybe "but" isn't the right word, since plenty of early socialists had no great love for democracy or racial equality either.