The correct answer is:
d. Global trade expanded to include all water routes as European countries began to search for new ways to reach Asia bypassing all the routes through the Ottoman Empire.
The fall of the Byzantine Empire allowed the Ottoman Turks to control key trade routes between Europe and Asia, particularly those that passed through the land routes and the Mediterranean. In response, European powers sought alternative maritime routes, which led to the Age of Exploration. This resulted in significant developments in global trade as European explorers sought to establish sea routes directly to Asia, ultimately leading to the discovery of the Americas and new trade networks.