Which of the following was an effect of farming on the development of early river valley civilizations

The development of permanent settlements increased the need for armies.

The development of animal domestication led to increased farming.  

The development of complex culture and social hierarchies.  

The development of farming led the rise of river valley civilizations.

Explanation:These are the answer choices tho I don't know the answer still. Sorry.

the urdan working class

answer; i believe the correct answer is (desert storm);