Because this question does not exist An untitled map of Europe showing the spread of the bubonic plague by marine routes. In 1347 the bubonic plague followed marine routes, spreading to nearly all countries along the coast by 1348. The plague spread further inland between 1348 and 1351.
Study the map. By which year had the bubonic plague spread through almost all of the European countries bordering the Mediterranean Sea?

1347
1348
1350
1351

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