The Incas were one of the most complex 15th and 16th century empires of all time. The Incas were known for their extremely large army and intense warfare tactics. The Inca army was one of the largest armies of the 15th and 16th centuries. Although they were very numerous, they were also talented fighters. The Inca army had the weapons and tactics to eliminate any enemy they wanted. In the Inca army, it had a large number of men. Indeed, during the Inca era, every man had to serve in the army due to the socialist structure of these civilizations. A rotation system was in effect and married men between the ages of twenty-five and thirty were required to participate in the army. Under the reigns of Huayna Capac and Tupac Yupanqui, the army was at its peak with approximately two hundred thousand men. Additionally, not only would it be the Inca army that would fight if an opposing force was taken, but then the main Inca would force the defeated soldiers to fight with them. The most famous Inca generals are Quizquiz, Chalkuchimac and Ruminahui, all of whom were generals of Emperor Atahualpa. Atoc was also a general of Emperor Huascar. During the Inca reign, the army was put to the test several times. To conquer western South America, they had to fight many enemies. After successfully conquering Peru, the empire experienced numerous civil wars. A time when Atahualpa was in power against his brother Huascar. It was between 1527 and 1532 and Atahualpa managed to conquer his brother and become the leader of the Incas. There were also a few others during the reign of Huascar. The greatest test for the Inca army was delaying the conquest of the Spanish and Francisco Pizarro in 1528. This lasted until 1572. Pizarro was able to execute...... middle of paper ..... .a large stone or copper. It was cut to have six jagged sides to allow for a powerful blow to the side of the head to shatter their enemy's skull. The armor that the Incas wore was almost nothing. High officials wore a copper breastplate and shin guards when they were finally able to use copper and he also had a helmet. Other men sometimes wore helmets, but most of the time the Incas did not use armor. The Inca army was an army known for its weaponry, extremely large numbers, and war tactics. The Inca army could not resist the might of the Spanish conquistadors but could seize any part of South America. The only reason the Incas lost power was because of the Spanish and their more complex weaponry. The Incas were not only one of the best empires of all time, but also had one of the most intense and best armies of their time..