The Inca army was very well organized. Men were trained. This was a job, a specialized profession. They were well fed. They wore warm clothing. Their uniforms were colorful. They marched in practice and into battle with drums and flutes and trumpets.
The men were proud to be warriors. They worked very hard to be great warriors. They practiced all the time. Their weapons were superior. They carried wooden clubs, and remember - wood was scarce. Wooden clubs were unusual. They carried bows and spears and cords with three stones at one end.
Their greatest weapon was their belief that the gods were on their side.