VIDEO: Powerful trailer for The Birth of a Nation

Nate Parker's The Birth of a Nation scored huge prizes at the Sundance Film Festival and is finally set to be seen around the world.

The film is about Nat Turner, a real man who lived in the early 1800s in Virginia. He was brought up as a preacher who hosted sermons for other slaves, and changed his life when he became truly aware of the horrors of slavery in his home state.

Here's the powerful first full trailer.