Forbes reports:
If you think the title’s question is silly, you’re right. But here’s the problem: Increasing numbers of college students today would unhesitatingly respond, “Hell, yes!” to the query. Could it be because that is what they are being taught?
There's more:
I first learned of this misconception about slavery about three years ago, when a professor published the results of 11 years of his quizzing his students at the start of each year on what they knew about American history and Western civilization.
An article , well worth your time.