The Lord will let Egypians lose heart and bring their plans to nothing

Isaiah 19:1-25
The Lord will let Egypians lose heart and bring their plans to nothing; God will hand the Ehyptians over to the power of a cruel master, and a fierce king will rule over them. No matter their consult the idols and the spirits of the dead, their officials of Zoan and leaders of Memphis are become fool.
In that day the Egyptians will be like women. They will shudder with fear at the uplifted hand that the Lord Almighty raises against them. And the land of Judah will bring terror to the Egyptians.
In that day five cities in Egypt will speak the language of Canaan and swear allegiance to the Lord Almighty. One of the will be called the city of Destruction.
In that day there will be an altar to the Lord in the heart of Egypt and a monument to the Lord at its border. The Lord will strike Egypt with a plague; he will strike them and heal them. They will turn to the Lord , and he will respond to their pleas and heal them.
In that day the Egyptians and Assyrians will worship together Israel will be the third, along with Egypt and Assyria, a blessing on the earth. The Almighty will bless them, saying,"Blessed be Egypt my people, Assyria my handiwork, and Israel my inheritance."
Why?
The Israel will be recovered and be stronger in the plan of God.
Egypt was defeated by Assyria when Sennacherib's army besieged Jerusalem. Further defeats culminated in the sack of Thebes in 663 BC, when the Assyrians pillaged centuries of temple treasures.
Verse 16-24 reveal God's ultimate purpose: the revelation of himself to the Egyptian people. Amazingly, Egypt ad Assyria will be united with Israel in the worship of God, bring blessing to the whole world.
"That day"- the day of God's judgment- both temporal and final. New Testament sees 'that day' as the day of Christ's return.
After Jerusalem fell in 587 there were numerous influential colonies of Jews in Egypt and in Assyria A copy of the Jewish Temple was even constructed at Leontopolis in Egypt about 170 BC. But all that was only a pale隱約 shadow of what is envisaged設想 in Isaiah.
All of the disaster come upon the earth is let the people turn to the Lord and get together to worship the Lord. Men's wisdom and plan bring to nothing. Only the words of the Lord may come true.
How?
The Lord is righteousness, every evil doer and rebel to the Lord will be perished. Only the one fear the Lord and accept the Jesus Christ has eternal life.