What did muslim rulers provide their merchants with?

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

(b) britain had a much larger navy than the u.s.

(d) the u.s. had a small army compared to britain.