After the defeat of Japan in World War II, the United States led the Allies in the occupation and rehabilitation of the Japanese state. Between 1945 and 1952, the U.S. occupying forces, led by General Douglas A. MacArthur enacted widespread military, political, economic, and social reforms
It was different because it remained independent during the colonial era when the rest of South East Asia was colonized. It modernized itself and worked with both British and French colonies but remained independent and chose who they wanted to work with. The territory of Siam is what is nowadays known as Thailand, so you can see that Thailand managed to develop itself and its culture independently of the colonizers who ran rampant among the South East Asian region and which caused many wars in recent times.
All of these are authoritarian governments except D. Direct Democracy
You’re not gonna like my answer but-
Just study them. You can write a timeline of the battles or even find one online and keep reading it until you have it implanted in your memory.
Other than that, I dunno what to say
Good luck on that test!
He is trying to make the Americans hate the Japanese so he can get a document for an act of war