Legal right that a court has to receive a case first. For example, the Constitution makes it clear that the Supreme court has 'original jurisdiction' when states sue states and in cases involving high-level diplomats.
Answer:
4
Explanation: It was used as a fighting arena so that others are entertained
According to CNN, "the line of succession falls to the speaker of the House, then to the Senate president pro tempore, then to Cabinet members."
Source: http://www.cnn.com/2013/08/27/us/succession-presidential-and-vice-presidential-fast-facts/