Question

Did Alexander conquer Indus Valley?
my teachers told me that Deforestation was the main cause, for the decline of the Indus valley civilisation.
Then she told me the river changed its course causing droughts in one place and floods in another place.
She added the tribe known as the Aryans also played a role in the decline.
there are so many reasons for the decline, which one is it?

Answer 1

Answer:

Can't understand your question

Answer 2

Answer:

Explanation:

Many scholars believe that the collapse of the Indus Valley Civilization was caused by climate change. Some experts believe the drying of the Saraswati River, which began around 1900 BCE, was the main cause for climate change, while others conclude that a great flood struck the area.