Which cabinet member of the 1860s, earlier New York's governor and a U.S. senator, closed the deal to buy Alaska, mocked as his "icebox"?

Before breaking up in 1981, Steely Dan released an album named for which South American cowboy? Which word comes before "Burbank" in the name of a high-starch, fluffy potato variety? Before changing its name in 1965, which Jerry Garcia-led band was known as the Warlocks? Before Dick Cheney, who was the last U.S. vice president born west of the Mississippi River, leaving office in 1981? Which Nevada city's mint, closed in 1893, struck silver dollars and other coins with a "CC" mint mark? Before crashing into it on February 20, 1965, NASA's Ranger 8 probe sent back more than 7,000 photos of what? Which "Dial M for Murder" star, born in Philadelphia on November 12, 1929, later became Princess of Monaco? The office "memo" is short for which word?