Many Germans believed that their soldiers and technology were predominant, but had only been overwhelmed by crass force and superior in manpower and greater resources. America was embraced by German writers and officials. The Germans like the French after the Franco-Prussian War studied the reasons for their military defeat. The British had introduced the tank in World War I with considerable success. It was the Germans after the War that developed the most efficient tank forces and the tactics to effectively use them on the modern battlefield. Defeat was also a factor in Germany's embrace of innovative weaponry such as an expanded use of airpower and tactics such as Blitzkrieg. The overwhelming surprise of defeat gave rise to widely held beliefs
