Final answer:
The American colonies provided most of the raw materials traded on the Columbian Exchange.
Step-by-step explanation:
The region that provided most of the raw materials traded on the Columbian Exchange was the American colonies. The American colonies were rich in natural resources, including timber, furs, tobacco, and sugar. These resources were highly sought after by European merchants and were a major driving force of the trade between Europe and the Americas during the Columbian Exchange.
Learn more about raw materials traded on the Columbian Exchange