Why was the camera obscura developed?

Stanley, an art historian specializing in european history, wrote a critique of this painting for a newspaper. in a part of the critique, he wrote, “the overall effect of the work suggests that the artist understands the romance of venice and its boating culture.” which step of the critique does this statement represent?

Look at this painting by cimabue. this painting demonstrates the use of

Who decide whats work will go in a show ends how to display it?