because It took many people to share the high costs.
The Columbian Exchange lead to an increase in the demand for skilled labor in Europe, because D) an abundance of raw materials from the new world needed to be made into finished goods. Many raw materials and new products were brought over to Europe from the Americas which needed to be made into finished products.
I believe the answer is A, good luck
Britian had many rivers and sea ports
Coleman young ur welcome i hope it helped u