What legal concept did President Nixon use to support his refusal to hand over the secret recordings to investigators?

judicial review
executive privilege
separation of powers
constitutional conflict

How does congress have power over the courts

Which of the following encouraged westward expansion? a.the government decreased the price of federal land. b.each of these represents actions taken to encourage westward expansion. c.the government decreased the price of federal land d.the second national bank lowered the cost of borrowing money (reduced interest rates)

What was the “u-2 incident” and how did it affect u.s./soviet relations in 1960?