Thematic Bible: Nations not warring against each other anymore

The word which Isaiah the son of Amoz saw concerning Judah and Jerusalem. Now it will come about that In the last days The mountain of the house of the LORD Will be established as the chief of the mountains, And will be raised above the hills; And all the nations will stream to it. And many peoples will come and say, "Come, let us go up to the mountain of the LORD, To the house of the God of Jacob; That He may teach us concerning His ways And that we may walk in His paths." For the law will go forth from Zion And the word of the LORD from Jerusalem. read more.
And He will judge between the nations, And will render decisions for many peoples; And they will hammer their swords into plowshares and their spears into pruning hooks Nation will not lift up sword against nation, And never again will they learn war.

And it will come about in the last days That the mountain of the house of the LORD Will be established as the chief of the mountains It will be raised above the hills, And the peoples will stream to it. Many nations will come and say, "Come and let us go up to the mountain of the LORD And to the house of the God of Jacob, That He may teach us about His ways And that we may walk in His paths " For from Zion will go forth the law, Even the word of the LORD from Jerusalem. And He will judge between many peoples And render decisions for mighty, distant nations Then they will hammer their swords into plowshares And their spears into pruning hooks; Nation will not lift up sword against nation, And never again will they train for war. read more.
Each of them will sit under his vine And under his fig tree, With no one to make them afraid, For the mouth of the LORD of hosts has spoken. Though all the peoples walk Each in the name of his god, As for us, we will walk In the name of the LORD our God forever and ever.