The king of spain governed his colonies through viceroys. which explanation best describes the viceroyalty system and the royal servants who ran it? a. viceroys watched over the king's lands, increased his wealth, and carried out his will. b. viceroys watched over the rights of the king's indian subjects. c. viceroys made sure that spanish colonists had no grievances against the king. d. viceroys made sure that products from the americas were cheaper than those in spain.