Review the map.

A map titled Origins and Spread of the Bubonic Plague. The plague followed the Silk Road west through Asia and sea trade routes through the South China Sea and Indian Ocean.

Based on the map, how did the Silk Road affect the spread of the plague?

It helped the plague spread in Asia.
It helped the plague spread to Africa.
It helped the plague spread over oceans.
It helped the plague spread to the Arabian Peninsula.