What were the 2 most important actions that General MacCarthur took in Japan following war?

General Douglas MacArthur's two most important actions in Japan following World War II were the implementation of widespread democratic reforms and the establishment of a new constitution. He oversaw the demilitarization of Japan and the promotion of civil liberties, women's rights, and labor rights, which helped to transform Japan into a democratic nation. Additionally, MacArthur's efforts in economic reconstruction, including land reforms and the promotion of industrial growth, laid the foundation for Japan's post-war economic recovery.