Cortes came back with a vengeance to wipe out Tenochtitlan. In May of 1521, he brought 600 Spaniards, 100 cavalry, and, 50,000 Native allies to attack. After defeated by war, disease was the real killer of the native population. How many people died of disease?
A) 10,000
B) 25,000
C) 50,000
D) 75,000