Which historical event does the betrayal by frederick represent?

The betrayals by Frederick represent Adolf Hitler's breakage of the non-aggression pact he signed with Joseph Stalin. The real story is Stalin, represented by Napoleon and Hitler represented Mr. Frederick were opponents. The Nazi Party of Hitler is being fascists. On the other hand, Stalin was against to fascism that’s why he in the late 1930s, nearly signed an anti-German political coalition with Britain and France.

When that happens, Stalin changes his mind in Britain and instead signed a non-aggression agreement with Hitler in the year 1939 of August. Mortal enemies became best of friends.

However, in the year 1941, Stalin's infiltrators stated that Hitler was preparing to break the agreement, but he didn’t consider because he thought that Germans would defeat Britain first before Russia. But Stalin is wrong, Hitler broke the agreement and thrown Operation Barbarossa and invaded the Soviet Union.