Please help
Which idea best completes this list? Select the best answer from the choices below.
Colonies sent raw materials back to their mother countries
The mother country sent back finished goods, such as textiles and tools
The colonists could purchase these goods only from the mother country
(A) Nations had to gather wealth by mining these raw materials from their colonies
(B) Trading overseas was very expensive, which led to new ways of doing business in Europe
(C) The economic philosophy of mercantilism prohibited free trade
(D) Merchants needed to buy goods at low prices so they could make money by selling them for higher prices in other countries