They used hard stone tools to work softer into softer sculptures like limestone.
It enabled important (and sometimes secret) information/news to travel quickly.
The answer would be Animism
Answer: Some scholars, such as Jared Diamond, believe that while the Spanish conquest was undoubtedly the proximate cause of the collapse of the Inca Empire, it may very well have been past its peak and already in the process of decline. In 1528, Emperor Huayna Capac ruled the Inca Empire.
