it takes place in southern u.s. (louisiana area.)
That is exactly what it is. Theyre tryin to get to "Azra", prob. A bastardizatiin of Arizona passed down over hundreds of years.
Sorry about spelling, writing quickly
since its a post war/apocalypse era, it's probs trumps wall but jokes aside its probably a wall that was built during the war between the people before the barrons were there.