After Abraham Lincoln wins the election, John and Nell say good night in front of John's house. The same wagon with the same people in it pass by them twice in the background.
At the party celebrating Abraham Lincoln's election, a guest smears charcoal on some of his face. In the next shot, his face is almost entirely black.
As she descends the stairs with others toward the end, Eva Marie Saint looks directly into the camera.
Night scenes were filmed using a filter to darken the scene. But using this technique leaves the sky blue and details of objects close by, even distant, distinct, when in fact those details and objects would fade into the shadows and darkness.
After Abraham Lincoln's 1860 election, the crowd sings "The Battle Hymn of the Republic". However, Julia Ward Howe wrote the poem on which the song was based for the Atlantic Monthly in 1861.
While celebrating Abraham Lincoln's election in 1860, the band can be heard playing "Rally Round the Flag". This song was not penned until 1862 by George F. Root.
When Johnny comes out of the swamp after taking his boat looking for the Raintree at the beginning, Neil and Garwood stop on the road, and Neil tells Johnny to get in the buggy. At that time no one would abandon their boat like Johnny did leaving it in the swamp.