Which gambling practice, in which players keep a team's victory margin below the betting spread, rocked college basketball in 1951?

Mr. Beaver, the White Witch and Aslan appear in which 1950 novel? Who composed the music for the 1949 musical "South Pacific"? In which Tennessee Williams play does a truck driver have the title body art on his chest? Bulgarian leader Vulko Chervenkov, who closely followed the Soviet model in the 1950s, was known as "Little" whom? Which 1950s fashion favorite was a wide felt skirt often decorated with a dog appliqué? Which German engineer developed a rotary engine in the 1950s that now bears his name? Which 1950s hit begins, "Life could be a dream, if I could take you up in paradise up above"? 1950s Brazilian president Juscelino Kubitschek is known as the father of which planned capital?