In 1959, 12 countries including the U.S. and USSR signed a treaty to preserve which continent for science?

Which designer debuted his "Trapeze" line at the House of Dior in 1958? In which 1958 film does Steve fight off an alien life-form that consumes everything in its path? The 1958 Supreme Court case Cooper v. Aaron was one of several decisions aimed at ending what policy in schools? "The Birthday Party" (1958) was the first full-length play by which author of "The Homecoming"? In which 1959 comedy do two musicians who witness the St. Valentine's Day Massacre flee the mob by joining an all-girl… Frankie Avalon's 1959 No. 1 hit shares its name with which planet? Which 1959 film, winner of the top prize at Cannes, set the legend of Orpheus and Eurydice during Carnival in Rio? Which 1959 musical introduced the song "Everything's Coming Up Roses"?