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