In simple words, Unlike WWI, which was battled in trench with machine weapons as well as biological weapons, WWII was conducted with modern weapons and equipment, with more aircraft, warships, vehicles, and submarine. During the war, special operations techniques, as well as atomic weapons and covert communications, were created.
Renaissance means rebirth. The Renaissance witnessed a rebirth of learning and arts in Europe. It was centered primarily in the Italian city-states. Florence and Venice were the two leading centers
