Why were African used as slaves in American slavery ?

because africans were not knowing about the white because they seemed very new to them and accordind to my country its said that we africans we were told that whites could never die plus they had improved weapons.that is why we were forced and suffered hope you understand.

aug 15, 2012 - although van leeuwenhoek was not the inventor of the microscope, he advanced it more he loved to grind and focus a new lens in order to see the unseen world. most of leeuwenhoek's microscopes were silver. in a simple but significant experiment (1668), he demonstrated that worms found on