Which was Horace Greeley's role? A: publisher of an abolitionist newspaper
B: Secretary of War under President Lincoln
C: Confederate Secretary of War
D: Union commander at Antietam

c) troops march forward in close formation against newer, more accurate weapons

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