Which events changed Europe and Asia during the late Middle Ages

Choose all answers that are correct

A . Famine and plague devastated Europe's population

B . Chinese emperors made opening the greater trade and contact with foreigners their highest priority

C. Wars between Christians and muslims resulted in the expansion of Christianity and European empires

D . England and France fought a series of related conflict which became known as the Hundred Years' War

E . Mongol rule weakened across their vast empire