The primary route of the bubonic plague in Europe was along coasts and rivers, following trade routes. This allowed for infected rats and fleas to spread throughout the continent. Trade interactions among various population centers significantly enabled the outbreak of the Black Death. ;
The bubonic plague primarily spread in Europe along coasts and rivers, facilitated by trade routes. Major port cities played a significant role in transmitting the disease, as infected rats and fleas traveled with merchants. This trade-based movement allowed the plague to outbreak in various towns and cities across the continent.
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