Which capital, established by the Abbasid caliph al-Mansur, was referred to as the City of Peace?

The Wacah Chan is(are) __________

A. giant temple-pyramids used for religious rituals B. a calendar used by the Mayan culture C. a type of nut D. a town located high in the Andes mountains E. a great tree in the Mayan universe

Which genre of composition came to use a five-movement format?

a. symphony b. concerto c. divertimento d. string quartet