In his series on the book of Jeremiah Pastor David Guzik takes a look at chapters 49-50 and how God speaks out judgment against Babylon and the nations.

Here is a link to David Guzik's commentary on Jeremiah 49: https://enduringword.com/bible-commentary/jeremiah-49/
Here is a link to David Guzik's commentary on Jeremiah 50: https://enduringword.com/bible-commentary/jeremiah-50/