Which pope presided over the Fourth Lateran Council and declared a crusade against the Albigensians?

Discuss the humanist elements in the works of Giovanni Bellini and Carpaccio.

What will be an ideal response?

Who is the architect for the cathedral of Florence?

a. Giotto b. Pietro Cavallini c. Orcagna (Andrea di Cione) d. Arnolfo di Cambio