how did the black death destabilize the feudal system in the late Middle Ages?

A. It created a labor shortage, which allowed serfs to demand wages for their work.
B. it ended the hundred yearswar allowing an increase in trade
C. it created demand for new spices from the Middle East
D. it killed mostly nobility freeingg serfs fro their ties on the land

A. It created a labor shortage, which allowed serfs to demand wages for their work.