Alma 16:12

And it came to pass that the Lamanites did not come again to war against the Nephites until the fourteenth year of the reign of the Judges over the people of Nephi. And thus for three years did the people of Nephi have continual peace in all the land.

The Lamanites did not come again to fight against the Nephites until the fourteenth year that judges ruled the people of Nephi. For three years the people of Nephi had peace in all the land.

The Lamanites didn’t attack the Nephites again until the fourteenth year of the judges. For three years, the Nephites lived in complete peace.