GMAT Sentence Correction (SC) | Re: Passage of the Day

The belief that Aztec in New Mexico was constructed during two distinct construction periods has been proven by the modern tree-ring dating and has also been corroborated nicely by other evidence found in the 1920s by archaeologist Earl H. Morris that Aztec actually was built by one group of people - Chaco tribe whose settlement is indicated by the absence of burials - abandoned, and then reoccupied at a later date by a slightly different group of