Agana, officially renamed Hagatna in 1998, is the capital of which U.S. territory?

After years of construction, which canal finally opened for business on August 15, 1914? After years of trial and error, Alfred Nobel patented which explosive in 1867, making him very rich? After years of war, Spain finally recognized which country's independence in 1668? Running against William Jennings Bryan in 1896, who said "I am a tariff man, standing on a tariff platform"? In Greek, "agape" refers to a selfless, unconditional kind of what? Which tournament did Andre Agassi win in 1999 to complete a career Grand Slam? Andre Agassi won the 1995 Australian Open by beating which player, his co-star in Nike's "guerrilla tennis" ads? Agatha Christie put Hercule Poirot aboard a boat called the Karnak in which 1937 novel?