Through battles such as Courtrai (1302), Bannockburn (1314), and Morgarten (1315), it became clear to the great territorial princes of Europe that the military advantage of the feudal cavalry was lost, and that a well equipped infantry was preferable.
Uddybende artikel: Middelalderlig krigsførsel Efter slag som dem ved Courtrai (1302), Bannockburn (1314) og Morgarten (1315) stod det klart for de store territorielle prinser i Europa, at den militære fordel ved det feudale kavaleri var tabt, og at veludrustet infanteri var at foretrække.