chinese invented paper and compass. Wht about Indus valley Civilisation?

Answer 1

There is very little cultural information about the Indus valley Civ. There is some evidence left that they traded with the Sumerians, etc. but there is really no documentation left from their civ, so the general consensus is that they communicated in a clay/cuneiform fashion.

Answer 2

The indus valley civilisation was in India....

Answer 3

Good city planning and sewage system.