Which of the Following Was Not an Element in Eighteenth-Century

Which of the following was not an element in eighteenth-century global trade?

A) Gold and silver were shipped to America by Spain.
B) Indian and Chinese products were purchased by the English, Dutch, and French.
C) American plantation products were purchased by the nations of Europe.
D) English manufactured goods were traded for African slaves, who were sold in Virginia for tobacco, which was then processed in England and sold for cash in Germany.
E) Overseas trade boomed.