The vision continues to show full blessing upon the earth, the curse removed, as well as showing the character of the kingdom and its King.
The prophet goes back a little, after speaking of the "Root of Jesse" whose rest shall be glorious, to show how the Lord will the second time set His hand to recover the remnant of His people. The first time was in the time of Ezra and Nehemiah.
Following the deliverance from the last great enemy, the Assyrian, the whole ten tribes together, having in the meantime returned to their own land, join with Judah and Benjamin in driving out every enemy within their borders. Special judgment will befall Edom and the Philistines, leaving no remnant. Moab and Ammon become tributary to Israel in a small remnant.
Should there be stragglers of Israel who are still on their way back to the land of Israel, they will find that there will be a highway for them, both from Assyria and also Egypt, God having utterly destroyed the tongue of the Egyptian Sea and smitten all seven streams of the river.