What was commodore perry’s significant contribution to the beginning of japan’s transformation?
a. he closed all embassies except the us.
b. he opened japan to the west.
c. he made japan open its ports to europe.
d. he sold us warships to japan.

The right answer is:

b. He opened Japan to the West.

Explanation:

The expeditions of Commodore Matthew C. Perry brought an end to over two centuries of isolation of Japan. Perry demanded opening Japanese ports for American whaling ships and was also interested in promoting trade with Japan. The Japanese elites understood the backwardness of their country and that quick modernization was an imperative if Japan was going to avoid the fate of becoming a Western colony. Perry´s visits heralded the advent of the Meiji Era that accomplished Japanese amazing, fast modernization.

Explanation:

he opened japan to the west.