What old-fashioned term refers to a pain in the lower back?

A Civil War general who had been reduced to lieutenant colonel, who died at Little Bighorn in 1876? A Pacific bluefin, one of which fish, was tracked swimming 6,700 miles from Japan to Baja California? A Packard touring car disguised as a police car was used in which 1929 holiday killing in Chicago? What word names a pill or a pad of writing paper? What word names a painful crick in the neck or a twist in a rope or thread? A painter and two architects designed the 1935 Studio 42 model of which machine for Olivetti? A painting at Versailles shows which leader at Ratisbon in 1809 after he was shot in the foot? What do you call a painting of inanimate objects such as fruit and flowers?