The cities of harappa and mohenjo daro depeneded on the indus river valley for its what?

The cities of Harappa and Mohenjodaro depended on the Indus river valley for its fertile soil. This fertile soil helped the people grow the crops needed for them to settle down at a place and not roam about for the want of food. This is actually considered the start of the civilization of the humans. I hope the answer helps you.

Tenochtitlán was the capital of the aztec empire. it was a busy and bustling city where“there are daily more than 60,000 souls, buying and selling, and where are found all the kinds of merchandise produced in these countries.” when cortes arrived in 1519, theenormity of the trading market and the smoothness of it’s running both surprised and  impressed him.