Which branch of the Indo-European language family includes Lithuanian and Latvian?

Brahms' "Triumphlied", Op. 55, first performed in 1871, celebrated victory in which war? On which TV series did a young Clark Kent battle the villain Brainiac? The name "Bram", as in "Dracula" author Bram Stoker, is short for what? Which branch of medicine deals with the skin? Sitting Bull was a leader of which branch of the Lakota Sioux? Which German brand of beer has a name meaning "lion's brew"? Which brand sold women's underwear and hosiery under the "Her Way" label? Marlon Brando made Matthew Broderick a job offer he couldn't refuse in which 1990 comedy?