12 The LORD gave Solomon wisdom, just as he had promised him. There were peaceful relations between Hiram and Solomon, and the two of them made a treaty.

Read 1 Kings 5:12 Using Other Translations

And the LORD gave Solomon wisdom, as he promised him: and there was peace between Hiram and Solomon; and they two made a league together.
And the LORD gave Solomon wisdom, as he promised him. And there was peace between Hiram and Solomon, and the two of them made a treaty.
So the LORD gave wisdom to Solomon, just as he had promised. And Hiram and Solomon made a formal alliance of peace.