Answer:
Option: C) The rule of the Mongols helped to spread the Bubonic Plague by make travel along the Silk Roads safer and more effective.
Step-by-step explanation:
The Black Death was an epidemic of bubonic plague, which did not spread through the Silk Route by the Mongols but through the sea voyages. The first record of the epidemic appeared at Messina, in Sicily in 1347. The plague began to spread in the rest of Europe through trade route that connected the Black Sea to the Mediterranean Sea. The trading route was necessary because European needed items as silks and porcelain. The plague began in the fourteenth century, killing approximately 25 million people. Majority of the deaths happened in the trading city-states which were in the coastal region.