What did the Inca need to do to be successful in war?

To be successful in war, the Inca needed to maintain a strong and unified army, which was achieved through effective conscription and training of soldiers from various regions of their empire. They also relied on superior strategies and tactics, including the use of well-coordinated formations and guerrilla warfare when necessary. Additionally, the Inca benefited from advanced logistics, ensuring their forces were well-supplied and able to move quickly across their extensive territory. Finally, forging alliances with local tribes and utilizing psychological warfare helped them to undermine their enemies and expand their influence.