How did the US change the government of Japan after world war 2?

The government created more programs and agencies to support the war work , which led to more federal employees than the United States had ever employed. The government launched several campaigns that encouraged American civilians to help support the war.

Japan became one of the world's strongest economies. And It created a democratic government. allowing farmers to buy the land they farmed.

Explanation:

cultural/diplomatic relations. most medieval japanese   culture has chinese origins. writing, architecture etc.