Humphrey Bogart's breakthrough film was which 1936 feature that shares its name with a U.S. national park?

Paul Kruger was a leader of which people who fought wars against Britain? Which word completes the title of Humphrey Bogart's final film, "The Harder They ___" (1956)? Humphrey Bogart starred in the 1951 film of which C.S. Forester novel about a river journey? Humphrey Bogart played Philip Marlowe in which 1946 film noir based on Raymond Chandler's first novel? Bohemia and Moravia, which make up most of the Czech Republic, belonged to which empire until 1918? Which band's "Bohemian Rhapsody" returned to the U.S. top 10 in 1992 after appearing in "Wayne's World"? Bohemond I was a great leader of the first of which religious military expeditions in the 1090s? Niels Bohr was born in October 1885 in which capital, where his father was a professor of physiology?