How did trade help spread the Black Plague ?

The medieval Silk Road brought a wealth of goods, spices, and new ideas from China and Central Asia to Europe. In 1346, the trade also likely carried the deadly bubonic plague that killed as many as half of all Europeans within 7 years, in what is known as the Black Death.

Thomas edison created the light bulb.

The goods the europeans wanted the most were gold, jewels, silk, perfumes, and especially spices.