Every tribe was different, although certain elements were<span> common to most of the </span>Plains tribes<span>. The true Plains peoples </span>were<span> entirely nomadic,.</span>
Feudalism helped protect communities from the violence and warfare that broke out after the fall of Rome and the collapse of strong central government in Western Europe. Feudalism secured Western Europe's society and kept out powerful invaders. Feudalism helped restore trade. Lords repaired bridges and roads.
they taught eachother how to read, write do math, they worked on honest and self control.
Hope this helps