10. People traveling along the Silk Road traveled by ....
caravans
planes.
trains.
automobiles.


10 People Traveling Along The Silk Road Traveled By Caravans Planes Trains Automobiles class=

Answer :

Answer:

caravans

Explanation:

plans weren't invited by then

trains weren't invited by then

automobiles weren't invited by then

caravans go way back to the Oregon Trail and etc.