Answer to Question 1
Discovery prevents trial by ambush. It requires disclosure of relevant information by both parties, or sanctions are given by the judge. The information revealed can help a party escape liability completely or limit liability for a party, but it can also show the amount of evidence available and can lead to a settlement. Because of these reasons, and others, the discovery phase can cause a settlement to end the litigation, or reduce the items to be litigated which can lead to a speedier trial.
Answer to Question 2
B