<span>I can see two main points that shows the importance of the
Battle of Stalingrad:
1] Material: In the battle the Germans lost and entire army (the 6th) with its
entire staff of commanding officers including a Field Marshall (von Paulus). This
was a staggering loss for a country of limited possibilities in replacing manpower.
2] Psychological: For the first time (and from here on throughout the entire
war) the Russian Red Army assumed the initiative in conducting offensive
actions. The fact also that the first big defeat in Russia of the German Army happened in
a town with the name of Stalin didn’t help the morale.</span>
The judicial branch (Supream Court)
B. Thomas Jefferson completing the Louisiana Purchase
I believe this is the correct answer, because there was a lot controversy over the Louisiana Purchase, as there was nothing in the constitution about buying or selling land.
D. communism. Hitler used communism as a policy of diplomacy and it allowed him to occupy czechoslovakia