Horses revolutionized trade across the sahara because their feet did not sink in the sand and they could travel for many days without water. true or false?

How did the church gain secular power? a) monks forced massive numbers of people to convert through fear of punishment. b) the church issued interdicts, laws passed by the church regardless of secular law. c) the church's power to deny the sacraments gave the church power over christians. d) canon law established secular courts under the control of the church.