Federal court jurisdiction depends on the nature of the controversy, not upon who the parties are.
federal court
Yes
Yes
federal court
Court of International Trade
Only in a case involving federal law.
Political parties influence the federal court with presidential nominated judges, and congress and judiciary shared powers.
Federal cases involving citizens of different states are called "diversity" cases if that is the claimed basis for Federal court jurisdiction.
The US Court of Appeals for the Federal Circuit has nationwide jurisdiction over cases involving patent law. It hears appeals of cases involving international trade from the US Court of International Trade.
If the case involves a question of federal law, or if the federal court has diversity jurisdiction (parties reside in different states and minimum amount in dispute.)
The statement that federal court parties have the right to trial by jury when seeing equitable relief is true. This right was put into place when the 7th Amendment was ratified.
Cases involving claims of the people against the United States