What were some of the defining features of the Inca Empire?a. It was found in the Pacific Northwest and featured large, earthen-floored, cedar-planked houses, where multiple families lived under one roof. b. It was predominantly located in the Great Plains and experienced cold winters and hot summers west of the Mississippi River. c. It extended along the Andes Mountains in western South America and featured stone buildings and irrigated farms. d. It spanned much of central Mexico after a migration from northwest Mexico and was dominated by huts made with adobe. e. It was located in the Southwest near what is today Arizona and was comprised of people who spoke one unified language.