Europeans turned to Africa as a source of enslaved persons because they were used to the heat, they knew how to farm, and they were immune to European diseases.
To make or become smaller in size
There were several problems that the Church faced during
this period. There was the Black Death
which ravaged Europe and caused the deaths of thousands of people. There was the transfer of the Papal Seat from
Italy to Avignon, France that gave an indication that the French now had power
of over the Papal Seat. This led to
elections of various popes known as the Great Schism where there was now
conflict within the Church.
This is the Newton’s third law of motion buddy: If an object A exerts a force on object B, then object B must exert a force of equal magnitude and opposite direction back on object A. Hope it helps :D