The Mogul rulers of Agra and Delhi practiced which religion?

What is Dürer trying to show in his Four Apostles?

a. that Protestant imagery was possible b. a canon of ideal human proportions c. the new linear perspective d. the new oil medium

Jazz defies definition because

a. it has blue notes b. some of it swings and some of it doesn't c. it has such a complex historical and cultural context d. it incorporates free improvisation