WHAT WAS THE CAUSE OF THE SPREAD OF THE MEDIEVAL BLACK DEATH? Choose one.

FLEAS ON RATS OR MIASMA (BAD AIR)

WHY? ANSWER IN 2-4 COMPLETE SENTENCES. (As a reminder, each sentence must begin with a capital and end with a period.)
write this as a 7th grader

The cause of the spread of the Medieval Black Death was fleas on rats. The fleas carried the bacteria that caused the disease and would bite the rats, transferring it to them. The rats would then spread the disease to humans through their bites or through contact with infected rat droppings.