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.

there are more but this is what i can come up

new york- english

new orleans- french

new hampshire- english

new mexico- spanish

new jersey- english

answer

explanation

the given equation is

we can rewrite this as:

let

then the equation becomes:

the factors of 8 that sum up to -9 are {-1,-8}

we split the middle term with these factors to obtain,

we factor by grouping to obtain:

apply the zero product property to get:

but