Shared ground
Jeremiah 46:7–12 portrays Egypt’s self-confidence as a dangerous surge, like the Nile in flood. Egypt speaks as if its advance will “cover the earth” and erase cities (explicit). The poem then “mobilizes” Egypt’s war machine—horses, chariots, and named allied troops (explicit)—but the outcome is re-framed: the decisive “day” belongs to the Lord, Yahweh of Hosts (explicit).
The passage presents international conflict as more than politics. It claims Yahweh rules the timing and meaning of the battle (“that day”) and can turn an empire’s expansion into its collapse (inference from the explicit “day of the Lord” and the defeat imagery).
Where interpretation differs (only where needed)
Some readers take “cover the earth” as intentional overstatement—a proud boast that means sweeping regional dominance, not literal global conquest. Others read it as a deliberate totalizing claim that fits imperial propaganda and the poem’s point about inflated ambition.
Some understand the “day of vengeance” and “adversaries” as aimed immediately at Egypt and its coalition in this campaign. Others think the language is broader: Egypt becomes a representative example of any power opposing Yahweh’s purposes, even if the near target is still Egypt.
Some treat the “sacrifice” at the Euphrates as purely poetic—battle-death described with altar language to stress Yahweh’s control. Others think it intentionally echoes real sacrificial concepts: the fallen are pictured as an offering, underscoring divine judgment in a sharper, more literal way.
Why the disagreement exists
The poem uses expansive metaphors (flooding waters; “cover the earth”), and its rhetoric blends history with theological claims (“that day is the Lord’s”). Those features make it hard to draw strict lines between geographic scope (regional vs totalizing), immediate referent (“adversaries” as Egypt vs a wider category), and how far to press the sacrificial image.
What this passage clearly contributes
It depicts imperial pride as self-declared inevitability that is then overturned. It asserts Yahweh’s supremacy over warfare’s outcome by naming the battle as his appointed “day” (see Jeremiah 46:10). It also emphasizes the public nature of Egypt’s reversal: shame is heard among nations, and even “mighty” fighters collapse together, highlighting the completeness and visibility of the defeat (explicit).