Analyze the following situations and determine whether the federal court has jurisdiction under diversity of citizenship.
a. Brady and Jeffers, both citizens of North Dakota, wish to sue as a result of an automobile accident caused by the negligence of Crane, a citizen of Montana. The damages for each of them exceeds $75,000.
b. Same facts as (a) except that Brady and Jeffers also want to name as a defendant, Dowd, the owner of the vehicle driven by Crane. Dowd is a citizen of North Dakota.
c. Same as in (a) except that Brady is claiming damages of $50,000 and Jeffers is claiming damages of $40,000. d. Digicam, Inc., a manufacturer of digital cameras, is a corporation incorporated in the state of Delaware with its principal place of….