How were African
Americans treated in the
1950s?

they was treated very curel had no right and always try to fight for it wars after war started just to end slavery

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