How “PC” was it? I was surprised that i had never heard the original history either and looked it up but I got whiffs from the storyline that they had tried to twist the story to suit current memes.
Not PC, IMHO. just factual. In fact, Gary Ross intersperses several real Civil War pix. In the scene where the Negros "vote" (there were 23 Republican votes... between Black/White...the official count for Republicans was 2)