Mark Twain and Henry James are two representatives of the realistic writers in American literature. How is Twain's realism different from James's realism?

Mark Twain and Henry James are two representatives of the realistic writers in American literature. How is Twain's realism different from James's realism?

A.Mark Twain's realism is tainted with local color, preferring to have his own region and people at the forefront of his stories.
B.James's realism is concered with the"inner world"of man.
C.James's realism is also concerned with the intemational theme.
D.Twain's language is simple and colloquial
E.Twain employs humor in his writing.
F.James's language is elaborate and refined with lengthy psychological analyses.