Respuesta :
The Indus Valley Civilization (IVC), was an ancient civilization thriving along the lower Indus River and the Ghaggar River-Hakra River in what is now Pakistan and western India from the twenty-eighth century B.C.E. to the eighteenth century B.C.E. Another name for this civilization is the Harappan Civilization of the Indus Valley, in reference to its first excavated city of Harappa. The Indus Valley Civilization stands as one of the great early civilizations, alongside ancient Egypt and Sumerian Civilization, as a place where human settlements organized into cities, invented a system of writing and supported an advanced culture. Hinduismand the culture of the Indian people can be regarded as having roots in the life and practices of this civilization.
The answer is "C"
The main reason why historians don't have a lot of information on this is because the people of the Indus river valley wrote in a language that historians today can't figure out what it means.