Mosiah 25:19

And it came to pass that king Mosiah granted unto Alma, that he might establish Churches throughout all the land of Zarahemla; and gave him power to ordain priests and teachers over every Church.

King Mosiah allowed Alma to set up churches all over Zarahemla. He gave him power to choose priests and teachers for each church.

King Mosiah authorized Alma to establish churches throughout the land of Zarahemla and gave him authority to ordain priests and teachers for each church.