Which Cabinet department, created after the 9/11 attacks, has missions that include guarding against terrorism and securing the borders?

The lychee, a rough-shelled red fruit, originated in which country? Which 22-year-old rock star died with Ritchie Valens and the Big Bopper in a plane crash on February 3, 1959? Fess Parker played the title pioneer and Ed Ames his friend Mingo on which 1960s TV series set in Kentucky? The biography "Dark Safari" tells the story of which explorer, who went looking for David Livingstone? Ghee, a type of clarified butter used in many curries, originated in which country? Gaston Caperton served as governor of which state from 1989 to 1997? Which Chinese dog breed is famous for its blue-black tongue? George Vancouver named which Pacific Northwest peak after a British rear admiral, not for the local weather?