The earliest cities of the indus river valley civilization were designed in a grid. in a circular pattern. with protective walls. with no plan.

The correct answer is C. With protective walls

Explanation:

The Indus River Valley Civilization, also known as the Harappan Civilisation was a civilization of South Asia from 3300 BCE to 1600 BCE, this civilization is known for being one of the oldest civilizations and the most widespread. This civilization began in the Indus river but expanded to other areas in Asia. Additionally, the people of the Indus River Vally Civilization developed complex handicraft techniques and built elaborated cities that included backed brick houses, water, and drainage systems and protective walls that aimed at avoiding sea waves or tsunamis to cause any damage to the people and buildings of this civilization. Thus, the cities of Indus River Valley Civilization were designed with protective walls.