Question

Which statements describe current theories about why the Indus Valley civilization declined?
Choose all answers that are correct.
A. Pests destroyed the agriculture.
B. People abandoned the cities to live in smaller villages.
C. Disease devastated the population.
D. A series of wars forced people to leave the area.
E. Massive flooding disrupted farming.

Answer 1

i think
People abandoned the cities to live in smaller villages.
A series of wars forced people to leave the area.

Answer 2

I thought it was everything but A. and D.