Who began his account of the Gallic Wars with "All Gaul is divided into three parts"?

42 U.S. gallons of crude oil equal one of what? Which two-letter initials name the numeric address that identifies each device on the Internet? Which war was fought in ancient Greece from 431 to 404 BC? 4,389-foot Cerro de Punta is the highest point on which Caribbean island, a U.S. territory? Which GM in-vehicle service, launched in 1996, offers emergency help and navigation at the push of a button? Ben Nevis, the highest peak in the British Isles, stands on which island, the largest in Europe? After centuries of Portuguese rule, which southeast African nation became independent on June 25, 1975? About 4,500 years old, which famous limestone monument in Egypt is missing its nose?