What two continents linked the trading route(s) of the Silk Road?

"The Silk Road" is an extensive intercontinental network of trade routes across the Asian continent connecting East, South, and Western Asia with the Mediterranean world, as well as North and Northeast Africa and Europe (and thus a network linking Eurasia).

Explanation:

The silk road is an primarily refers to the land routes connecting East Asia and Southeast Asia with South Asia, Persia, the Arabian Peninsula, East Africa and Southern Europe.

Explanation:

c, they united with once

answer; i believe the correct answer is (the willamete valley);