12. what was a result of the long march?

c. the dred scott v. sandford case,

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

d.

the northwest territory became the most densely populated area in the u.s.