What was the purpose of President Fillmore sending Commodore Matthew P

What was the purpose of President Fillmore sending Commodore Matthew Perry and four American warships to Japan in July 1856?

A) President Fillmore wanted to force Japan to permit an American naval base to be constructed at Okinawa.
B) President Fillmore wanted Japan to permit U.S. naval and commercial ships to use Japanese coaling stations on the route to China, and he wanted to “open up” Japan to U.S. trade for its own sake.
C) President Fillmore wanted Japan to sign a military security alliance with the United States in the event of war with China or Britain.
D) President Fillmore wanted Japan to agree to stop trading with Britain in competitive areas such as food, whale oil, and cotton products.

ANSWER
Answer: B