What did the Incas developed?
The Inca built a variety of bridges including suspension bridges and pontoon bridges. One of the main forms of medicine used by the Inca was the coca leaf. The Inca developed aqueducts to bring fresh water into town. The basic unit of distance used by the Inca was one pace or a “thatki”.
Why were the Incas so successful?
The Incas had a centrally planned economy, perhaps the most successful ever seen. Its success was in the efficient management of labor and the administration of resources they collected as tribute. Collective labor was the base for economic productivity and for the creation of social wealth in the Inca society.
What killed the Incas?
The spread of disease
Influenza and smallpox were the main causes of death among the Inca population and it affected not only the working class but also the nobility.
Why did the Incas disappear?
While there were many reasons for the fall of the Incan Empire, including foreign epidemics and advanced weaponry, the Spaniards skilled manipulation of power played a key role in this great Empire’s demise.