Unformatted text preview: trade. One disadvantage is that thieves stole goods and money. An additional problem of the silk roads was the spread of disease. Three epidemics such as smallpox, measles, and the bubonic plague significantly reduced the population of the Han and Roman empires. In doing so it weakened their dynasties and aided in the fall of the empires....
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- Spring '08
- Infectious Disease, beginning civilization trade