Which Nebraska city is named for a Native American people who spoke a Siouan language?

A brain disease is named for Hans Creutzfeldt and which other German neurologist who described it around 1920? Which body part also names a branch of an organization or an inlet branching off a river or sea? What does "WWW" stand for in web addresses? Which branch of the U.S. military was part of the Army before becoming independent in 1947? Which branch of the U.S. military used the recruiting slogan "Aim High"? A branch of which dynasty, originally French, was restored to the throne of France in 1814 and of Spain in 1874? Which brand name has become a synonym for a photocopy? Which brand of beer was advertised with the famous slogan "Tastes great, less filling"?