Some examples would be the Silk trade or even their Food.
The Earth is massive enough that the pull of gravity maintains its roughly spherical shape. Most of its deviation from spherical stems from the centrifugal force caused by rotation around its north-south axis. This force deforms the sphere into an oblate ellipsoid
Answer:
The Ural Mountains
Explanation:
Ural Mountains, which form the boundary between Europe and Asia. Caucasus Mountains, which also separate Europe and Asia, and are the namesake of the Caucasian race. Carpathian Mountains, a major mountain range in Central and Southern Europe.
