Which is one post-World War II reform that took place in Japan under the U.S.'s guidance?

Question

Responses
A Japan began new alliances with China and Korea.Japan began new alliances with China and Korea.
B Japan rebuilt it's military and weapon production.Japan rebuilt it's military and weapon production.
C Japan focused on building up its agricultural production.Japan focused on building up its agricultural production.
D Japan adopted a new constitution and democratic government.

Answer 1

D Japan adopted a new constitution and democratic government.