Answer:
I believe the answer is Both A and B
Explanation:
Harappan civilization forms an important landmark in the prehistory of the Indian subcontinent. The civilization offers an excellent example to the modern world in various ways. Their expertise in town planning, water management and harvesting systems as well as drainage mechanism is unparalleled.
<span>They were able to make a useful trading route were commerce would benefit their social life/economy. </span>
