The rapid advancement of multiple technologies in Europe and various states led to the invention of gunpowder which was a fuel to drive further major military changes. Gunpowder artillery is one of these that made it possible to demolish castles and fortified cities as they no longer provided protection from attackers. As gunpowder artillery became widespread, countries' military tactics had seen drastic changes as the use of this weapon offered greater opportunities to win a battle. The technology was not only limited to gunpowder artillery, but also led to the invention of the flintlock which was a far better replacement weapon for the matchlock. This weapon brought great changes in the army and warfare in Europe as gunpowder artillery. For example, European riflemen had learned the skill and tactics of dealing with heavy cavalry through the use of flintlock which ended the existence of pikemen. Furthermore, this led to an increase in the use of firepower and maneuverability, as well as a decrease in the importance of cavalry. As a result of the expansion of drill among troops through the transformation from matchlock to flintlock, a greater number of better trained and more trained troops emerged who were distinctly better than other armies. For example, in the battle of