Misc: What did Amerigo Vespucci realize was a new continent & not part of Asia, in 1502?

Questions

B Movies: Tim Robbins satire about a right-wing, folk singing, Senatorial candidate?

Back To The Future: Back to the Future 3 was set in one of Doc's favourite places, the __ __?

Back To The Future: In BTTF 1, Marty & Doc must wait for _ so that Marty can get back to 1985?

Back To The Future: In BTTF 2, Biff is rich in 1985 because of a book given to him in 1955 by ..?

Back To The Future: Marty & Doc travel to 1955 again to prevent young Biff from receiving the?