What was the purpose of the ninth amendment

What were some passive/non-direct ways that enslaved africans did to resist slavery?

In exchange for land, a knight agrees to be a sort of sub-vassal to a vassal. this agreement was known as: investiture homage tyranny subinfeudation

What can you conclude about the information given here ? a)juveniles must testify in court b)adults are held to a lower standard c)the state guarantees that juveniles have legal rights much like those of adults d) punishment for juveniles violators are much more strict than those for adults