Colonia del Sacramento, Uruguay, lies on which river estuary?

Which actor played both Col. Claus von Stauffenberg and Vietnam veteran Ron Kovic on film? Col. George Papadopoulos led the military junta that seized power in which country in 1967? What was Colonel Sanders's first name? Colonel Sanders and author Tom Wolfe were famous for suits of which color, also in a Wilkie Collins title? Colonists protested the Sugar Act of 1764 with the famous slogan "No taxation without" what? Which color names both the University of Alabama's "Tide" and a DC Comics masked avenger? Which color fills both blanks: W.H. Hudson's novel "___ Mansions" and Emlyn Williams's play "The Corn Is ___"? What color of smoke from the Sistine Chapel signals that a new pope has been elected?