How did the harsh enforcement of vagrancy laws threaten to place African Americans into a new form of slavery?

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.