And also for wealthy leaders in 1850's Southern culture.
Are you kidding me? Among working class whites of my grandparents' generation, they did a PERFECT job of doing so. I heard ZERO pro-union comments from that group, as I was growing up.
I hope the next comprehensive CW documentary will dig deeper into cultural manipulation of the Soutthern population by wealthy planters. Scholars and filmmakers seem to want to stay off the subject of the role of churches in shaping public opinion, but they need to look harder at this topic from a political viewpoint, not theological. Southern small town preachers were financially dependent on the contributions of their wealthiest members, so they had no choice but to say that God was okay with black slavery, if they wanted to keep their jobs. I don't think you can fully understand the Confederate mindset without knowing how all that worked.