Interdependence best summarizes the feudal system.
<span>Kings, priests, warriors and merchants were in the upper classes </span>
Population. State must have people, the number of which does not directly to relate to its existence.
Territory. A state must be comprised of land, Territory with known and recognized boundaries.
Sovereignty. ...
Government.
<span>Selective Service is also known as "The Draft". That is where the US can seize you and force you to join the armed forces. It prepared the US by allowing them to have a large reserve of forces. Hope this helps!</span>