This is my first timeline. I hope you enjoy it. This is the introduction to my TL. I'll update later.
During the early 20th century, America followed an isolationist policy (Monroe Doctrine) and did not intervened in World War i nor World War ii.
Japan joined the league of nations with countries such as United Kingdom and France. Germany, Italy and the other Axis Powers won World War II. Japan was defeated.
After the war, Japan was occupied by Germany.
After that, a Cold War was established between Germany and the Soviet Union.(In this alternative Hitler cancel his plane to invade the Soviet Union)