Why was vietnam partitioned at the seventeenth parallel?

to separate vietnam's two main ethnic groups
to create two permanently separate nations
to permit the regrouping of military forces
to make vietnam eligible for marshall plan aid

To Permit The Regrouping OF Military Forces

is the answer

Explanation:

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

the roman republic

for us its called a jury or court romans used this when someone was on trial and the republic   would choose guilty or innocent same with jury today