You did not put the date of Louis Armstrong, and it has no "these" in between in, and Hollywood.
This and That Both talk about an object.
Holden begins talking to his dead brother, Allie.
I think B Because is explaining who is cause and how people con react
Answer:
By using the words 'a thin veil', the author's intention could be to show how people see clearly the hypocrisy of the slaveowners