Alma 62:13

and he also caused that an army of six thousand men, with a sufficient quantity of food, should be sent to the armies of Lehi and Teancum. And it came to pass that this was done, to fortify the land against the Lamanites.

He also sent an army of six thousand men with enough food to the armies of Lehi and Teancum. This was done to make the land stronger against the Lamanites.

He also sent six thousand men and plenty of food to Lehi and Teancum’s armies. All of this was done to fortify the land against the Lamanites.