The Bubonic Plague killed 2/3 of the European population, crippling the feudal system which depended on peasants for labor. Which of
the following were effects of the plague on the feudal system?

A. persecution of Jews, a cripple economy, peasant revolts, increase of
rights for serfs

B. demand for eastern goods, improved architecture, improved ship
building

C. the end of trade the end of religion, the end of government

Plz help