Answer:
By them moving to the frontier, they were advertising how they wanted to move there. They would show people the amazing aspects of the rest of the country, inspiring them to move there as well.
In addition to patronage, merchant families during the Renaissance began to "spread the ideas" of the Renaissance, but promoting the artwork was that based primarily in Florence outside of the region.
Answer:
One reason why this is believable is because di Coppo Di Stefano Buonaiuti was in Florence at the time when the Black Death hit Florence in 1338. One reason why this passage isn't believable is because he was only two when it happened so might not remember it all.
Its (B) ......................................................................