Causes of the Plague:
Mongols ar Carriers of the Plauge and Threw bodies over a wall as a war tactic.
FLEAS ON RATS, FLEAS ON RATS
Spreads through Trade
Bulbos Growth (Neck, Armpit, and Groin), Black Extramaties, brusies and internal bleeding, Vomiting and Fever, And some Bulbos broke open, and finally if you did not die within the first 24 hours your symptoms could last 3-5 days.
ALL MIDEVAL ART = DEATH and SKULLS
People crawling towards death and Death Wagons