American colonists sent salted cod to the caribbean in exchange for molasses and sugar from which they made rum. what was the rum often used to purchase?

How were the okanogan highlands formed? a. by subduction, which caused huge folds in earths surface b. as a result of retreating glaciers carving great valleys into the earth c. when molten rock from under the earth approached the surface d. when the collision of volcanic island chains and ocean rocks formed new earth