For 10 points, name this ancient civilization whose city Mohenjo-Daro can be found on its namesake river in Eastern Pakistan and Western India.
This civilization's early phase is named for the Ravi River. One of this civilization's cities contains the Great Bath, and it developed advanced waste management systems. Robert Trask postulated that its language was in the Dravidian family. Lothal and Mehrgarh were important cities in this civilization, where(*) soapstone seals and a bronze statue of a dancer were found in its city of Harappa in the Indian state of Punjab. For 10 points, name this ancient civilization whose city Mohenjo-Daro can be found on its namesake river in Eastern Pakistan and Western India.
This civilization's early phase is named for the Ravi River.
{Indus} Valley Civilization [prompt on “{Harappa}n Civilization”]