Which of the following was NOT a European contribution to the Asian sea trading network?
a. The addition of new routes, including the link to Europe around the Cape of Good Hope
b. The introduction of sea warfare into the Asian trade network
c. A global flow of silver starting in the Americas and ending in China
d. The establishment of an exchange of new crops and diseases similar to the "Columbian Exchange" with the Americas
e. The establishment of new trading centers such as Goa, Calicut, and Batavia
Answer: D