What role did the United States play in Japan's decision to open itself to
relations with other countries in the 19th century?
A. It negotiated with the Tokugawa shogunate to divide Japan into
spheres of influence.
B. It joined European powers in invading Japan and forcing it to open
itself to the world.
C. It provided money and weapons to Japanese rebels fighting to
overthrow Japan's emperor.
D. It used the U.S. navy to pressure Japan into opening its markets to
U.S. products.