Which was most significant in germany become rapidly industrialized?

railroads
imported machinery
the end of the napoleonic wars
unification

these acts divided the south into five military districts.

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

a. poison gas was sprayed over battlefields by airplanes to weaken enemy positions before major attacks.

i would think the answer is between b and d i would say d sorry if wrong