Can you please answer PLEASE HELP and actually answer and answer each question please!!!

Which physical feature minimizes population density in northern africa?

What post war changes took place in north america

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.