The Incans were fighting in their home territory with a much larger army and neither side outmatched each other in leadership, however the Spaniards guns helped annihilate the Incan forces.
The Spaniards who came to New World to conquer Inca had the advantage of guns and cannon in warfare which killed many of the Native American. The Spaniards were soldiers, mercenaries, and adventurers, who knew about fighting, which played an advance role in defeating the Incas larger forces. The weapons of Incas was dated back to the bronze age, used wooden clubs, bows and arrows, slings, axes.
