People were exposed to diseases they didn’t know about, and they didn’t have any treatment for it or immunity to it. One place involved with it was Greek city-state of Athens, which was affected by new and unidentified diseases, it killed about 25% of its army and weakened the city-state for good. The widespread diseases also affected the Han Dynasty China and the Roman Empire, but contacted on the Silk Roads all across Eurasia was basically promoted. Sporadic outburst of the bubonic plague ruined the coastal areas of the Mediterranean Sea as the black rats that held the plague came through the sea trade with India, where they came from. The capital of the city of the Byzantine Empire, lost thousands of people per day throughout 40 days. The same death count troubled China and parts of the Islamic world. In the Central Asian steppes that were home to a lot of nomadic people involving the Mongols, who also struggled horribly. In the prolonged shoot of world history, the transfer of disease gave Europeans a specific benefit when they stood up to the people of the Western Hemisphere. Revealing over time had given them some level of resistance to Europeans and Africans from over the Atlantic, they died in shocking…