How did the incas travel over steep slopes?
they had to travel around steep slopes to find flat land.
they leveled the slopes and then built highways over them
they built a system of bridges to cross over steeply sloped land.
they built steps into the sides of the slopes.

the neolithic revolution began the era of permanent societies, the reliance on the limited amount of land gave way to political organization and this political organization caused social organization which was divided by amount of property and power.

the neolithic revolution (new stone age) was the first agricultural revolution. it was a gradual change from nomadic hunting and gathering communities and bands to agriculture and settlement. this period is described as a "revolution" because it changed the way of life of communities which made the change.

sentence:

let´s farm and domesticate these animals so we do not be hunting in the woods all the time