Some of the factors that caused the Bubonic Plague to spread so widely in the Late Middle Ages were the rats that were carried in the ships during trades. The Europeans did trading in Central Asia, and during this period the rats which carried the disease would get on the ships and once these ships reached Europe, the disease spread throughout the European countries. However, the rats were not the only ones who carried the disease, the people who were journeying in ships to do trades also carried the disease without any knowledge of it. (Pg.
Some of the factors that caused the Bubonic Plague to spread so widely in the Late Middle Ages were the rats that were carried in the ships during trades. The Europeans did trading in Central Asia, and during this period the rats which carried the disease would get on the ships and once these ships reached Europe, the disease spread throughout the European countries. However, the rats were not the only ones who carried the disease, the people who were journeying in ships to do trades also carried the disease without any knowledge of it. (Pg.