The ways that the Inca benefitted from their skills as stonemasons and master builders were:
Thanks to their skills as master builders and stonemasons, the ancient Inca were able to construct large walls around their cities which protected them during times of conflict.
Their construction skills also allowed them to build great houses that gave them shelter from the weather elements thereby ensuring their survival and growth as a civilization.
Find out more on Inca buildings at https://brainly.com/question/1036358.