The exterior of the Colosseum combined the Greek post-and-lintel structure of columns and entablature with what Roman form?

Of the various characters heard in this selection, what is the one characterized by the simplest melodic style?

a) Donna Anna b) the Commendatore c) Donna Elvira d) Leporello

An example of the extreme right ideological position would be

A. the Nazi empire under Adolf Hitler. B. communism under Josef Stalin. C. democracy under Franklin D. Roosevelt. D. monarchy under Henry V.