How can law-abiding citizens get involved in the court system

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

Music the height of a wave or the amount of the wave carries is the amplitude. a. air b. nodes c. speed d. energy

Describe two reasons that cities developed along rivers during the industrial revolution. for full credit, your response must be at least 2 complete sentences.