Answer:
They disagreed on the control of poland, economy of germany and sphere of influence in europe during the Yalta Conference.
They disagreed on which parts of Germany were to constitute each zone, they disagreed on the exact amount of reparations Germany had to pay and they disagreed on tbe types of governments to be established in Eastern Europe and the extent of Soviet influence in Europe. This was what was disagreed on during the Potsdam Conference
C. Civil court
There is no crime committed and this case presents a dispute between two individuals.
Civil court is the place where individual disputes are handled. Often these disputes are economic in nature requiring a legal settlement. In the example in the question, the plaintiff is the customer who believes they were provided poor service and they will be requesting restitution. The defendant is the owner of the business and will have to prove it was not his fault the wiring did not work. The judge will act as a third party to decide on the matter and it will be legal binding.
Increased crop productivity
This is where actually the Sino Soviet relations came. Because the Sino SOviet protected and supported the KMT or also known as Kuomintang, they have signed an agreement to establish democratic relations. But because of that the Soviet did something, and that is they renounced the advantages given.