What type of cases reach the supreme court by appeal?

an appeal to a decision issued by of one of the U.S. Courts of Appeal that sit below the Supreme Court.

“the battle of stalingrad is not a turning point necessarily in strategic terms, because a lot more has to be done before the soviets can be certain of defeating germany,” says renowned world war ii historian richard overy. the germans had fought nearly a thousand miles across the soviet union to get to stalingrad.

the answer would be logic.