What is your textbook called so I can look it up and help you with the answer.
Answer:
Southerners approved the Dred Scott decision believing Congress had no right to prohibit slavery in the territories. Later, in 1868, the Fourteenth Amendment overturned the Dred Scott decision by granting citizenship to all those born in the United States, regardless of color.
Because of widespread fear of a strong central government at the time they were written and strong loyalties among Americans to their own state as opposed to any national government during the American Revolution, the Articles of Confederation purposely kept the national government as weak as possible and the states as independent as possible. However, this led to many of the problems that became apparent once the Articles took effect.
I hope this question refers to the battle of stalingrad
This was a major turning point in WW2 as the Red guard strategically frustrated Hitler delaying his lightening victory tactics, until his soldiers were starved off food, supplies and weakened by encroaching winter. the heavy military loss that Hitler suffered at Stalingrad was never recoverable and from that point forward Hitler was fighting a defensive war from two fronts, a fete that heavily suffocated him.