English doesn't use many absolute constructions, but Latin does. The ablative absolute is one of the most common constructions in Latin literature.
topics to know before viewing this tutorial: participles (all four kinds), ablative endings (all five declensions)
introduction to ablatives absolute by latintutorial @ YouTube
Source: latintutorial @ YouTube
The Founding Fathers knew their Latin. What does that mean for our interpretation of their writing?
Source: text of Amendment II from the National Archives; slides by Sarah Landis