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War with Surrounding Nations
22At the very moment they began to sing and give praise, the Lord caused the armies of Ammon, Moab, and Mount Seir to start fighting among themselves. 23The armies of Moab and Ammon turned against their allies from Mount Seir and killed every one of them. After they had destroyed the army of Seir, they began attacking each other.
2 Chronicles 20:22-23 (NLT)