What is a sailing vessel with a single mast and a fore-and-aft rig called?

What Russian word names a grandmother or the kerchief she wears? A Russian immigrant mouse named Fievel Mousekewitz is the hero of which 1986 animated film? Which Russian royal family was executed in Yekaterinburg in July 1918? What is a sacred song or hymn, especially one in a book of the Bible, called? A sailor boy and his dog Bingo began appearing on packages of which snack in 1918? Where does a sailor traditionally store his possessions? What does COLA, a salary increase in response to inflation, stand for? In San Francisco, what does BART stand for?