Renaissance Gunpowder warfare

The technology later spread west to the Ottoman Empire,The arquebus was later adopted by European armies during the Italian Wars of the early 16th century. This all brought an end to the dominance of armored cavalry on the battlefield. The simultaneous decline of the feudal system — and the absorption of the medieval city-states into larger states — allowed the creation of professional standing armies to replace the feudal levies and mercenaries that had been the standard military component of the Middle Ages. The Tercio was a Renaissance era military formation similar to and derivative of the Swiss Pike square and was a term used to describe a mixed infantry formation of about 3,000 pikemen and musketeers in a mutually supportive formation; it was also sometimes referred to by other nations as a Spanish Square after its introduction by the Spanish army,and was widely adopted across international lines and dominated formalized field warfare for several centuries