Which government institution determines the number of justices on the supreme court

If you are asking how many justice are on the supreme Court the answer is nine

Nazi Germany was under dictatorship with a leader who was insane. the effects of the Holocaust left millions of people homeless and billions of dollars to rebuild all of Europe. If Hitler would of actually did what his dream was every race beside whites would be dead. That would of also lead into the whole world become Nazi German so every country would be under dictatorship.