Sherman's March (1985)
This film won the Grand Jury Prize for Best Documentary at Sundance in 1987. Harvard Film professor Ross McElwee received several grants to create a documentary film in the early 1980s about Union General William Tecumseh Sherman's march through the Confederacy to end the American Civil War where he waged "total warfare" against southern industry, infrastructure and property.
That's what he set out to do. But he kept getting sidetracked by women, his nightmares of nuclear war, women, Burt Reynolds, and women.
This film is fascinating, brilliant, vulnerable, and hilarious. You can't look away. Find it and watch it. Just trust me.