who was the inca ruler who greatly expanded the inca empire under his rule
Pachacuti In Quechua Pachakutiq means "he who overturns space and time" (though more commonly translated as "earth shaker"),[2] and Yupanki means "with honor". During his reign, Cusco grew from a hamlet into an empire that could compete with, and eventually overtake, the Chimú. He began an era of conquest that, within three generations, expanded the Inca dominion from the valley of Cusco to nearly the whole of western South America.