I just took the test and the answer is letter D.
1449 to the early 16th century
B. Bankers needed to expand their customer base beyond Europe
Answer: sole proprietorship, partnership, corporation
Explanation:
Because the war in Europe was in a lot of Allied countries, for example France. They wanted to focus on the enemies that were at their front door first and posed the most imminent threat over Japan which was on the other side of the globe.