Moroni did not stop preparing for war or defending his people against the Lamanites. At the beginning of the twentieth year of the reign of the judges, he had his armies start digging up heaps of earth around all the cities throughout the land possessed by the Nephites.
Show original text
And now it came to pass that Moroni did not stop making preparations for war, or to defend his people against the Lamanites; for he caused that his armies should commence in the commencement of the twentieth year of the reign of the judges, that they should commence in digging up heaps of earth round about all the cities, throughout all the land which was possessed by the Nephites.