A 1924 campaign poster for which president featured an electric fan and the slogan "Keep Cool"?

The question "Will it play in ___?", about which Illinois city, became a test of mainstream American appeal? A 1921 poem by Vachel Lindsay was "In Praise of" which wandering planter? A 1921 treaty dividing an island, with an oath of fidelity to the Crown, led to civil war in which country? A 1924 law granted U.S. citizenship to which people, whose tribes were once called "domestic dependent nations"? Which title is shared by a 1925 dinosaur film based on Conan Doyle and a 1997 dinosaur film based on Michael Crichton? Which 1925 Sergei Eisenstein film, named for a Russian warship, commemorated the 1905 revolution? A 1925 storm destroyed the helium-filled USS Shenandoah, which was what kind of aircraft? Ernest Hemingway's 1927 story collection was titled "Men Without" what?