Why did they not have instrumental music in the church?

What types of visual art mediums are heavily based on observation?

In 1401 a competition to create a set of bronze doors for the baptistery of florence cathedral was held, and this competition is often credited with the beginning of renaissance art t or f?

Why did the pilgrimage churches undergo large scale building projects? a. to accommodate the rising number of visitors b. to provide a clearer path for communion c. to appear more like a cross d. none of the above