1. Isaiah 21:13 (ESV)
  2. Exposition

What is the connection between the prophecies against Babylon, Edom, and Arabia?

Isaiah 21:13 (ESV)

13 The oracle concerning Arabia. In the thickets in Arabia you will lodge, O caravans of Dedanites.

The connection between the three prophecies in this chapter is that both Edom and Arabia were allies of Babylon.