By 2500 B.C.E., what was a major feature of the larger, more advanced settlements in the Indus Valley?

They were built on high mountain peaks.

They were constructed without any organized streets.

They were protected by large surrounding walls.

They were designed only for traders, not farmers.

What was the most significant reason early people were drawn to establish farming communities in the Indus River valley?

The valley offered protection from monsoon rains.

The river provided rich, fertile soil ideal for agriculture.

The surrounding mountains were easy to cross for trade.

The area was free from wild animals and insects.

It provided a steady source of cold drinking water.

Its annual floods deposited nutrient-rich silt onto the land.

It attracted many animals that could be used for farming.

Its fast-moving water powered simple machines.

A gradual shift away from agriculture toward hunting and gathering.

Growth from small farming villages into large, complex settlements.

Constant relocation to escape the river's unpredictable floods.

The merging of all villages into one single capital city.