<span>They provided protection to all in
exchange for land and labor.</span> <span>About the
hierarchy at the manor where most of the people were serfs and received land in
exchange for farm labor and other jobs (like blacksmith, stone masons and
baker). </span>
Im pretty sure the answer A
Billboard what a tremendous impact
<span>En un sentido general, se llama escala musical
a un conjunto de sonidos ordenados, notas de un entorno sonoro
particular (sea tonal o no); de manera simple y esquemática (según la
notación musical convencional pentagramada). </span>
