In what ways was ww ii a more global and involved conflict than ww i?

WWII was more involved and global than WWI because WWI was mainly between Europe until the Americans got involved at the very end, While WWII was fought between everyone in Europe, America, Japan, Italy, Germany and the Soviet Union(Russia).

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