Respuesta :

Are these the choices?

a. The U.S sent several diplomats to negotiate arrangements.
b. The 
U.S sent a flee of modern naval warships that intimidated the Japanese
c. The 
U.S offered new technologies to Japan in exchange or trading rights
d. The 
U.S refused to trade with Japan until it modernized its industry.

The answer is Letter B - The U.S sent a flee of modern naval warships that intimidated the Japanese. On July 8, 1853, American Commodore Matthew Perry led his four ships into the harbor at Tokyo Bay.
open door policy. initiated by the United States in 1899 and 1900 for the protection of equal privileges among countries trading with China and in support of Chinese territorial and administrative integrity.