A potato famine during the 1840s caused which island's population to fall by about 2 million?

Crater Lake, with its cinder cone Wizard Island, is in which state's only national park? A portion of which avenue between the Capitol and the White House was designated a national historic site in 1965? Which revolutionary year is written in Roman numerals as MDCCLXXVI? War between India and which country was averted, at least for the moment, by talks in June 2002? Which egg delicacy from Russia and Iran is one of the most expensive foods in the world? A PowerBar contains the oat type of which food, a 1980s cholesterol-fighting craze? Which powerful empire ruled much of Asia Minor and Syria around 1500 B.C.? What word names a powerful handgun or a large bottle of champagne?