The young King of France, in his eager desire for military glory, forsook the wise policy of his father, Louis XI., and resolved to claim the kingdom of Naples, in assertion of the rights bequeathed to him by René of Anjou. In order to prevent any opposition from Spain he yielded to King Ferdinand the provinces of Roussillon and Cerdagne, and on the same principle gave up to the Emperor Maximilian, Artois and Franche-Comté. Having made these real sacrifices as the price of a doubtful neutrality, he set forth on his wild dreams of conquest at a distance, which could be of no permanent advantage to him.
Charles VIII. had soon collected a magnificent army and crossed the Alps in August 1494; it was composed of lances, archers, cross-bow men, Swiss mercenaries, and arquebusiers. These last used a kind of hand-gun which had only been in common use for about twenty years, since the battle of Morat. The arquebus had a contrivance, suggested by the trigger of the cross-bow, to convey at once the burning match to the trigger. Before that the match had been held in the hand in using the hand-gun as well as the hand-cannon. Many of these arquebusiers were on horseback. Besides a number of small pieces of artillery, the French army had 140 big cannons. The use of these fire-arms in war had been gradually increasing since the days when Louis XI. made such use of his "bombards" in the wars in Flanders.
When we read of the wonderful success which at first attended the French army, we must remember how greatly superior it was to the troops which opposed it in Italy, which were mostly bands of adventurers collected by mercenary leaders, named Condottieri, who fought for gain rather than for glory, and had no special zeal or loyalty for the prince who employed them. The soldiers in their pay were, for the time being, their own personal property, and their great desire was to save them "to fight another day," while it was not to their interest to kill the men of another band (who might be on the same side next time), and they only sought to make prisoners for the sake of their ransom. The impetuosity and real warlike spirit of the French was a new and alarming thing in Italy, which had been so long accustomed to the mere show of war.