What is the opportunity cost of a decision

Which of the following best describes the economic effect that results from the government having a budget surplus?

Why did the second indochina war start in 1956

If any state tribunal decides a federal question and the litigant has no further remedy within the state court system, from which of the following remedies could the litigant possibly benefit? a.a hearing by a us district courtb.a hearing by a federal court of appealsc.a hearing by the us supreme courtd.a congressional vote b, the correct one!