Misc: These letters define what - NBC?

Questions

Which classic 1939 Hollywood film derives from Maupassants Boule de Suif?

What is the name given to an outwork which defended the entrance of a castle or fortified town?

In which european city is the International Museum of the Reformation which includes statues of John Knox and John Calvin?

Which French dramatist was originally named Jean Baptiste Poquelin?

The interior of which continent was explored by Gregory Blaxland in 1813, John Oxley in 1818 and Charles Stuart in 1829-30?