A G.I. Joe figure introduced in 2000 represents one of which Native American World War II code talkers?

Which German river gives its name to wine grown on its banks? What were German submarines in the two World Wars commonly called? A German woman may pluck her "Augenbrauen". What are they? A gerontocracy is a government ruled by whom? A giant Ferris wheel graces which city's Prater park, opened to the public by Emperor Joseph II in 1766? Which giant hunk of Hollywood was born Roy Scherer Jr.? A giant sea monster turns out to be a submarine in which 1870 Jules Verne tale? A gift from France unveiled in 1886 stands in the harbor of which city?