In 1638 this city saw the opening of the first public opera house?

In the 1950s the center of the Western art world shifted from Paris to _____

a. Rome b. Madrid c. New York d. London

Which of these 19th-century artists were known especially for their scenes depicting nature?

A) ?Constable and Turner B) ?Daumier and Goya C) ?Delacroix and Caspar Friedrich D) ?David and Géricault