In 1921, archaeologists discovered the ruins of a city called WeaversSanskritHarappabalconiesMohenjo-DaroSelect your answer. About 400 miles to the south, archaeologists found a second ruined city called HarappaSanskritWeaversMohenjo-DarogovernmentSelect your answer. Historians think as many as 40,000 people may have lived there. It had large avenues paved with brick, hundreds of one-room houses, and apartment buildings several stories high with balconiesmeasurementsmigratedgovernmentsewerSelect your answer and courtyards.

Indus Valley cities used precise SanskritmigratedmeasurementsgovernmentbalconiesSelect your answer and had HarappasurplussewermigratedbalconiesSelect your answer systems. Many houses had their own toilets. Historians conclude that the Indus civilization must have had a strong central HarappameasurementsgovernmentbalconiessewerSelect your answer. Ancient Harappans were skilled engineers and craftworkers. balconiesMohenjo-DaromeasurementsWeaverssewerSelect your answer in the Indus Valley may have been the first to make cotton fibers into cloth. This kind of specialization required a surplusWeaversmeasurementssewermigratedSelect your answer of food.

Aryans, people from central Asia who rode horses to herd cattle and sheep, surplusSanskritHarappamigratedMohenjo-DaroSelect your answer west into Europe and south into India. Aryan means "noble one" in Mohenjo-DaromigratedSanskritgovernmentHarappaSelect your answer. The Aryans brought the Sanskrit language to the Indus Valley and the rest of the subcontinent.